EASY
11th Odisha Board
IMPORTANT
Earn 100

Newton stated that only an external force can change the state of motion of the centre of mass of body. Now the internal force of the brakes can stop a running car. It proves that Newton's law is wrong.

50% studentsanswered this correctly

Important Questions on Laws of Motion

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 2
A rocket moves forward by pushing the surrounding air backward.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 3
Since action and reaction are always equal and opposite, they cancel each other.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 4
A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of the rifle is less than that of the bullet.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 5
When a person walks on a rough surface the frictional force exerted by the surface on the person is opposite to the direction of motion.