EASY
9th CBSE
IMPORTANT
Earn 100

Velocity-time graph of a moving particle of mass 1 kg is shown in the figure.

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Is any force acting on the body? Justify your answer.

Important Questions on Forces and Laws of Motion

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 18
While riding on the bicycle, if we stop pedalling, why does the bicycle begin to slow down?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 19
Why do we jerk wet clothes before spreading them on line?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 20
(a) Why does the rider fall in the forward direction when a running horse stops suddenly?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 20
(b) Why is it easier to stop a tennis ball in comparison to a cricket ball moving with the same speed?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 21
When a carpet is beaten with a stick, dirt comes out of it. Give reason.
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 22
It is difficult to balance our body when we accidentally slip on a peel of banana. Explain why?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 23
It is dangerous to jump out of the moving bus. Explain why?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 24

In the experimental set-up, a student given the card a sharp, fast horizontal flick with a finger.

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(a) What will happen to the coin?