# Laws of Motion MCQ Questions And Answers - Physics Class 11

Laws of Motion MCQs : This section focuses on the "Laws of Motion" in Physics Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Physics Class 11 skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

______________ implies that things cannot start, stop, or change direction all by themselves.

A. third law of motion
B. second law of motion
C. first law of motion
D. None of the above

Question 2

Newton’s first law is also known as the law of inertia.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 3

The second law of motion, force equal to?

A. product of its mass and time
B. product of its mass and velocity
C. product of its mass and displacement
D. product of its mass and acceleration

Question 4

Which law of Newton helps in finding the force on a body?

A. First law
B. Second Law
C. Third Law
D. Fourth Law

Question 5

The second law of motion describes?

A. what happens to the body when it exerts a force on another body.
B. what happens to the massive body when acted upon by an external force.
C. Both A and B
D. None of the above

Question 6

What causes the motion of a body which is initially in the state of rest?

A. Force
B. Displacement
C. Speed
D. Velocity

Question 7

What is the force applied on a body with 5 kg of mass and an acceleration of 7 m/s2?

A. 5 N
B. 20 N
C. 35 N
D. 70 N

Question 8

The forces involved in Newton’s third law act ____

A. On the same object
B. On different objects
C. In same direction
D. On five bodies

Question 9

The second law of motion, in mathematical form can be written as ____

A. F = ma
B. F = v(dm/dt)
C. F = mv
D. F = dp/dt