# Newton’s Laws of Motion Worksheets – MCQ worksheet | Multiple Choice Questions from the Laws of Motion chapter – physics

Newton’s Laws of Motion Worksheets (MCQ) – 3 sets with answer

## Newton’s First Law – MCQ Worksheet (with answer)

1. Newton’s first law of motion states that an object’s motion will not change unless
a. the net force acting on it is greater than zero.
b. a force continues to be applied to the object.
c. its inertia is stronger than the applied force.
d. the object has no inertia.
2. Overcoming an object’s inertia always requires a(n)
a. large mass.
b. massive force.
c. unbalanced force.
d. two of the above
3. It is more difficult to start a 50-kg box sliding across the floor than a 5-kg box because the 50-kg box has
a greater
a. size.
b. inertia.
c. volume.
d. velocity.
4. Once an object starts moving along a clear path, it would keep moving at the same velocity if it were not for
a. inertia.
b. friction.
c. an unbalanced force.
d. two of the above
5. An object’s velocity will not change unless it is acted on by a(n)
a. net force.
b. strong force.
c. unbalanced force.
d. opposite but equal force.
6. The direction of a moving object will not change if the net force acting on it is
a. greater than zero.
b. less than zero.
c. zero.
d. two of the above

Multiple Choice

1. a
2. c
3. b
4. d
5. c
6. c

## Newton’s Second Law – MCQ Worksheet (with answer)

1. An object is accelerating when it
a. speeds up.
b. slows down.
c. changes direction.
d. any of the above
2. Newton’s second law of motion relates an object’s acceleration to
a. its mass.
b. its velocity.
c. the net force acting on it.
d. two of the above
3. Doubling the net force acting on an object
a. doubles its acceleration.
b. decreases its acceleration.
c. cuts its acceleration in half.
d. does not affect its acceleration.
4. If you push a 20-kilogram mass with a force of 40 N, what will be the object’s acceleration?
a. 40 m/s^2
b. 20 m/s^2
c. 10 m/s^2
d. 2 m/s^2
5. Which units can be used to express force?
a. N
b. kg/s^2
c. kg • m/s^2
d. two of the above
6. If you know the mass of an object, you can calculate its weight with the formula
a. F = mx9.8 m
b. F = mx9.8 m/s
c. F = mx9.8 m/s^2
d. F = mx0.98 m/s^2
7. If the mass of an object doubles, its weight
a. doubles.
b. decreases.
c. is not affected.
d. changes by a factor of 1/2
.

Multiple Choice

1. d
2. d
3. a
4. d
5. d
6. c

## Newton’s Third Law – MCQ Worksheet (with answer)

1. When an action force occurs, the reaction force is always
a. in the same direction as the action force.
b. equal and opposite to the action force.
c. applied to the same object as the action force.
d. two of the above
2. When you stand on the floor, the force of your body pushing down on the floor is
a. matched by the floor pushing up on your body.
b. less than the reaction force applied by the floor.
c. a reaction to the floor pushing up.
d. none of the above
3. When a kangaroo jumps, the kangaroo’s action force acts on the ground and the reaction force
a. is exerted by the ground.
b. acts on the kangaroo.
c. is greater than the action force.
d. two of the above
4. If the following objects are all moving at the same velocity, which of the objects has the greatest momentum?
a. pea
b. marble
c. volleyball
d. bowling ball
5. Momentum is directly related to
a. mass.
b. velocity.
c. distance.
d. two of the above
6. Momentum is a
a. force of nature.
b. form of energy.
c. property of an object.
d. measure of an object’s motion.
7. What is the momentum of a 9-kilogram object that has a velocity of 3 m/s?
a. 3 kg/m/s
b. 6 kg/s/m
c. 12 kg • s/m
d. 27 kg • m/s

### Answers to MCQ Worksheet on Newton’s Third Law

Multiple Choice

1. b
2. a
3. d
4. d
5. d
6. c
7. d
Newton’s Laws of Motion Worksheets – MCQ worksheet | Multiple Choice Questions from the Laws of Motion chapter – physics
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