## Pulley in Physics – pulley tension problems with solution

Here in this tutorial we will study few pulley systems and solve some pulley tension problems as well.

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Force

## Pulley in Physics – pulley tension problems with solution

## State and Prove Impulse Momentum Theorem with derivation of equation

## Impulse – definition, formula, unit

## Solution of Physics Numericals for class 9 (set 1 Q15)

## Solution of Physics Numericals for class 9 (set 1 Q14)

## Solution of Physics Numericals for class 9 (set 1 Q13)

## Solution of Physics Numericals for class 9 (set 1 Q11)

## Friction – Definition, Source, and Cause

## Newton’s Second Law and equation of Force

## Physics problems with pseudo force and solutions

## Contact Forces between blocks – Application of Newton’s laws

## Pushing a car, Newton’s 3rd Law and Friction

## Freefall in physics

## Force in Physics

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Here in this tutorial we will study few pulley systems and solve some pulley tension problems as well.

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. Hence a prior knowledge of these two will help.Related study links are provided here: Read about Momentum and here you can read about Impulse as […]

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 a bat for a brief period of time then an impulse is generated. Here a considerable amount of force acts on a body for a […]

Problem statement A force causes an acceleration of 10 m/s^2 in a body of mass 500 g. What acceleration would be caused by the same force in a body of mass 5 kg. Solution Case 1 mass = m=500 g = 0.5 kg Acceleration = a =10 m/s^2 Force = ma = 0.5 . 10 […]

Problem Statement A body of mass 500 g, initially at rest, is acted upon by a force which causes it to move a distance of 4 m in 2 sec. Calculate the force applied. Solution: mass=m = 500 g = 0.5 kg Initial velocity = u = 0 Distance travelled = s=4 m Time duration […]

Problem Statement A cricket ball of mass 100 g moving at a speed of 30 m/s is brought to rest by a player in 0.03 s. find the average force applied by the player. Solution: mass =m= 100 g = 100/1000 kg = 0.1 kg initial velocity = u=30 m/s Final velocity = v=0 Time […]

Problem Statement A force acts for 10 s on a stationary body of mass 100 kg after which the force ceases to act. The body moves through a distance of 100 m in the next 5 s. Calculate (i) the velocity acquired by the body, (ii) the acceleration produced by the force, and (iii) the […]

Friction – Definition, Source, and Cause

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 place in the direction of the applied force. Mathematically it can be stated this way: F∝ (mV-mU)/t. Here, F is the net force acting on the […]

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 with an angle of inclination 30 o is moving with a constant acceleration a (as shown in the figure). When a block is placed on the […]

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). Today we will discuss an interesting topic of mechanics – the application of Newton’s laws. It will cover a few interesting applications of Newton’s Laws […]

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 or floor obliquely backwards with his feet. Following the ‘3rd law of Newton‘ the ground also exerts an equal and opposite force obliquely on […]

In this post, we will find out (a) how to find the weight of a freely falling body (b) How the velocity of a freely falling body changes every second if we ignore air drag force (air resistance)? (c) Why do we feel weightless during freefall (d) Kinetic energy of a body under free fall (e) Applicability of Law of conservation of energy for free fall (e) how distance traveled per second varies

In this post, we will discuss the fundamentals of Force in physics which will include the definition of force and force formula, types and examples of force, reference to Newton’s laws of motion, and units of force. What is a force? Force is a push or a pull that causes a change of velocity of […]