What is the measure of the inertia of a body?

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Important Questions on Force and Laws of Motion

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 1

Out of a hard cricket ball, and a soft tennis ball, which one has more inertia and why?

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 2

Which of the following has more inertia: table tennis ball or golf ball?

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 2

Which of the following has more inertia: car or truck?

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 2

Which of the following has more inertia: one rupee coin or a $50$ paisa coin?

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 3

There are three solids made up of aluminium, steel and wood, of the same shape and same volume. Which of them would have the highest inertia?

MEDIUM

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 4

Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move with the same speed? Give reasons for your answer.

EASY

9th CBSE

IMPORTANT

Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>Practice Problems>Q 1

What force will produce an acceleration of