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Here goes the list of our posts on Force in physics and related topics and subtopics.

Solving Numerical Problems involving Frictional Force or friction – for class 11

Here we will focus on solving numerical problems involving frictional force or friction and friction coefficient. We will take up a few sample problems as examples and solve those using ...
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What is Mechanical Advantage? | Define Mechanical Advantage (MA)

Mechanical Advantage is the ability to lift or move objects(load) with great output force while applying only a little input force. The trade-off is that you must operate the smaller ...
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State the three Laws of motion | State Newton’s laws of motion | List down the concepts we find from the laws of motion

Here we state the 3 laws of motion: Newton’s 1st Law of motion states that Everybody continues in its state of rest, or of uniform motion in a straight line ...
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The differences between Uniform circular motion and projectile motion with diagrams

The acceleration in a uniform circular motion (Fig. 1) has some similarities to the acceleration in projectile motion (Fig. 2) without air resistance, but there are also some important differences ...
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[PDF Notes] Gravity and Mechanical energy – grade 10 Notes download | class 10 physics notes on Gravity & Mechanical Energy

This Gravity and Mechanical energy Notes [PDF] is primarily for the 10th grade physics syllabus of different international boards. This also covers the class 10 physics syllabus on Gravity and ...
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[pdf notes] Force, Momentum, Impulse – Grade 11 Notes download | class 11 physics notes on Force, Momentum, Impulse

This Force, Momentum, Impulse Notes [PDF download] is primarily for the 11th grade physics syllabus of different international boards. This also covers the class 11 physics syllabus on Electric Circuits ...
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Normal Force – for horizontal surface and inclined plane with formula

The contact force provided by a surface that is perpendicular to another surface is called the normal reaction force. It is often abbreviated to the normal force and represented by ...
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Physics numerical problems worksheet on centripetal force & circular motion

Here goes a Physics numerical problems worksheet on centripetal force and circular motion. Solutions are also appended in this post for our students. Physics numerical worksheet on centripetal force & ...
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IGCSE physics force and motion worksheet with numerical problems | with solution

Here you will get 2 sets of IGCSE physics force and motion worksheet with numerical problems with solution. You will get ample scope to test your understanding of motion equations ...
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IGCSE Physics Definitions – Forces and Motion

IGCSE Physics Definitions from the Forces and Motion chapter are listed below. It contains definitions for vector, scalar, torque, CG, velocity, force, acceleration, and important laws like Newton's laws of ...
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How to Determine g in laboratory | Value of acceleration due to gravity – determination in Lab

We will see here how to determine g in the laboratory. g is the symbol of acceleration due to gravity. The basic idea behind determining g in the laboratory is ...
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Motion graphs of vertical fall against air-drag | Motion graphs of falling objects when air resistance is present

Here we will discuss the motion graphs of vertically falling objects when air-drag or air-resistance is present. Certainly, it's not a free fall as during free-fall air drag is ignored ...
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How is Stability of a body related to its Centre of Gravity?

The stability of an object is related to the position of its center of gravity (CG). If the vertical through the CG passes through the base of an object, then ...
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Collisions and Newton’s Laws of Motion – How to relate these?

This post covers how Collisions and Newton's Laws of Motion are related. As collisions, we can take examples of the interaction between two bodies (gun-bullet, skater-skateboard, hose-water). For simplicity let ...
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Numerical Problems on Equilibrium | Physics Worksheet

This post presents Numerical problems on Equilibrium. This physics worksheet will help students who are preparing for AP Physics, IIT JEE, and other competitive examinations to test their preparedness. This ...
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Numerical Problems on Collisions (Elastic & inelastic collision) physics

Here is a numerical worksheet based on the Collision topic in physics that includes problems related to elastic and inelastic collisions. Numerical Problems on Collisions (Elastic & inelastic collision) 1 ...
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Acceleration due to gravity of a body is independent of its mass-How to Show mathematically?

Acceleration due to gravity of a body is independent of its mass - let's show it mathematically. We will consider a body of mass m on the surface of the ...
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Numerical problem on Terminal Velocity with solution

In this post we will solve Numerical problems on Terminal Velocity. Here is the first set. Numerical problem on Terminal Velocity with solution 1 ) Find the terminal velocity of ...
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How to derive Terminal Velocity equation using Stokes’ law (step by step)

Here we will work on the derivation of the Terminal Velocity equation or formula using Stokes' Law. We will consider a situation where a solid sphere moving slowly in a ...
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What is Stokes’ Law and its Formula for viscous drag?

Stokes' Law and its formula: Eminent physicist Sir Stokes investigated fluid dynamics and came up with an equation for the viscous drag (F) on a small sphere at low speeds ...
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What is Centre of Gravity & where to find it in some regular objects easily?

In this post, we'll first discuss what the Centre of Gravity is. And then we'll quickly list down where to find the centre of gravity in some regular objects easily.In ...
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Elastic and Inelastic collisions – definition, facts, sample numerical problem

Collisions are often classified according to whether the total kinetic energy changes during the collision and as per this classification collisions are of 2 types, Elastic collision, and Inelastic collision ...
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How to use Pascal’s principle (or Pascal’s law) in Hydraulic Car Lift?

We will first see what Pascal's Principle or Pascal's Law states. Then we will find out with formula and diagram how to apply Pascal's Law to explain the operating principle ...
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How Strong is the Coulomb Force Relative to the Gravitational Force?

How Strong is the Electrostatic or Coulomb Force Relative to the Gravitational Force? To find this we will calculate the electrostatic force and the gravitational force between an electron and ...
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Conservative & Nonconservative forces – Do you know the differences?

Often we hear these two terms as we discuss Work and Force in our physics class - conservative force and Nonconservative force. Here we will talk about these two and ...
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Free Body Diagram – What is FBD and How to draw an FBD?

This post will tell you what a Free Body Diagram or FBD is. Also, you will get a step-by-step guide on How to draw an FBD while solving a problem ...
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How does Parachute motion happen under gravity and air drag? Explain with time graph

Parachute motion under the influence of gravity and air drag (resistance) and the speed-time graph of this fall - This is the topic of this post. And we will cover ...
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How do the Banked Curve & Banking Angle help a car? | banking angle formula with derivation

Banking Angle - what is the banking angle and why is it important?When a car travels without skidding around an unbanked curve, the static frictional force between the tires and ...
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Numerical problems based on the inclined plane physics – solved

In this post, we will focus on numerical problems based on inclined plane physics. We will list down the problems and solve them one by one. Numerical problems based on ...
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Define Inertial frame of reference and Non-inertial frame of reference

Let's Define the Inertial frame of reference and the Non-inertial frame of reference. A frame of reference can be any one of these two types: Inertial frame of reference & ...
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Pressure problems – solving numerical with pressure formula

In this post, we will solve selected Pressure problems or numerical with the pressure formula or equation. Before that let's quickly find the definition, formula, and SI unit of pressure ...
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How does pressure vary with depth in a fluid of constant density? | with the equation of the fluid pressure

Variation of pressure with depth in a fluid of constant density or How does pressure varies with depth in a fluid of constant density? - this is the topic of ...
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Pressure definition & formula and SI unit

Let's go through the following subtopics: (1) Pressure definition (2) formula of pressure and (3) SI unit of pressure Definition of Pressure Pressure (P) is defined as the normal force ...
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Forces acting on a mass sliding down an inclined plane – using vector resolution

In this post, we will discuss the forces acting on a mass sliding down an inclined plane. To do this we will take the help of the concepts of Vector ...
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Relative Velocity – explanation with Vector concepts

Relative velocity: The velocity of an object measured by a moving observer is referred to as the relative velocity. The relative velocity is the difference between the velocity of the ...
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Inertia – definition in physics

Inertia: From Newton’s first law of motion we get the definition of inertia. As per this law, an object can’t change its state of motion by itself. If the object ...
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The Friction Coefficient | Coefficient of Friction

This post is entirely focused on the Friction coefficient (also known as the coefficient of friction). We will define it and find out its types. Also we will derive equations ...
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Force and Laws of Motion Class 9 Numericals (worksheet solved)

This post presents a few sets of force and laws of motion class 9 numericals worksheet. Here are 3 sets of numerical problems. Use linear motion equations and force equations ...
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Pulley in Physics – pulley tension problems with solution

Here in this tutorial, we will study a few pulley systems to find out how to solve pulley tension problems as well. Pulley in Physics is one of the most ...
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Apparent weight of moving car over a convex or concave bridge

Apparent weight of a moving car over a convex or concave bridge is the amount of Normal Reaction the car receives while traveling over the bridge. Here the system consists ...
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State and Prove Impulse Momentum Theorem with derivation of equation

In this post, we will State and Prove the Impulse Momentum Theorem with the derivation of the equation. As evident, this theorem or principle is related to impulse and momentum ...
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Impulse – definition, formula, unit

Impulse Definition If a force acts on a body for a very brief time then we say that an impulse is generated. As example, when we hit a ball with ...
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Elevator problems in physics with pseudo force

Elevator problems in physics with pseudo force - When an elevator is moving with an acceleration, it becomes a non-inertial frame of reference. We find it difficult to apply Newton's ...
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Friction definition

Friction / Friction definition: If we either slide or attempt to slide a body over a surface, the motion is resisted by a bonding (cold-weld) between the body and the ...
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Newton’s Second Law and equation of Force

Newton’s Second Law states that the rate of change of momentum of a body is directly proportional to the net force applied on it, and this change in momentum takes ...
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Physics problems with pseudo force and solutions

Physics problems with pseudo force with solutions- these problems are going to be related to the noninertial frame of reference.Let's solve an interesting numerical.A smooth inclined plane of angle of ...
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Contact Forces between blocks – Application of Newton’s laws

Application of newton's laws: Newton's laws of motion give us concepts of force (first law), measurement of force with its equation (second law), and the reaction of force (3rd law) ...
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Pseudo force in Physics-did you know this?

What is a pseudo force? - Some forces are real, whereas others are not. Real forces have some physical origin, such as a gravitational pull, frictional force or tension of ...
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Equilibrium of a rigid body-conditions and physics

A rigid body is said to be in mechanical equilibrium if both its linear momentum and angular momentum are not changing with time. In other words, the body is in ...
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Newton’s Third Law of motion – concepts and examples

Newton's third law of motion states that to every action there is an equal and opposite reaction. This means for every action or force exerted by the first object on ...
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Weightlessness in a Satellite-feeling weightless in Orbiting Satellites

In this post we will discuss how does an astronaut feel weightless in a nearby orbit and what is the secret behind this weightlessness in a satellite? To start with ...
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Critical Velocity in Vertical Circular motion – minimum velocity for a vertical circle

Today's topic is Critical velocity in a vertical circular motion. Once we are done with its definition we will derive the Critical Velocity formula. Definition: The minimum velocity of an ...
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Terminal Velocity, Free Fall, Drag force – FAQs, definition, formulas, & concise notes for you

Here we will discuss in detail the terminal velocity and Terminal Velocity Equation. Before that, we will also cover a few important pointers on free fall and then discuss Air ...
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Centripetal Force and Washing machine – How centripetal force helps Washing machine operation

Centripetal Force concepts & facts with examples and Washing machine: In this post, we will discuss the fundamental concepts of centripetal force & its real-life examples like how the centripetal ...
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Elevator problems in Physics – 5 Elevator Case Studies for you to solve

In this topic, we will see an application of Newton's Second Law in 5 selected cases of Elevator movement, which will help us to solve elevator problems in Physics with ...
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How Friction helps in walking?-explanation with a free body diagram

"If Friction is a force that opposes motion then how friction helps in walking?" As we walk we apply a contact force on the surface below and that surface also ...
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Mass and Weight – are they the same or different?

Mass and Weight - are they the same or different? Mass and weight are different. Mass is the quantity of matter; it is an absolute measurement of how much matter ...
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Newton’s First Law of Motion doesn’t hold good for every frame of reference

The frame of reference and Newton's first law of motion - This law says that if the sum of all the forces acting on a particle is zero then a ...
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Pushing a car, Newton’s 3rd Law and Friction

Hope you have seen people pushing their car when it's not starting due to some issue.When someone is pushing a car or something like that, he first pushes the ground ...
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Force FAQ – definition & formula, types, examples in Physics

In this post, we will discuss the FAQs & fundamentals of Force in physics which will include the definition of force and force formula, types and examples of force, reference ...
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