MEDIUM
9th CBSE
IMPORTANT
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Define momentum of a body. On what factors does the momentum of a body depend?

Important Questions on Force and Laws of Motion

MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 3
Define the term ‘force’. State the various effects of force.
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 4
What type of forces—balanced or unbalanced—act on a rubber ball when we press it between our hands? What effect is produced in the ball?
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 5
What happens to the passengers travelling in a bus when the bus takes a sharp turn? Give reasons for your answer.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 1
Calculate the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2 m s-1.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 2
A body of mass 25 kg has a momentum of 125 kg m s-1. Calculate the velocity of the body.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 3
Calculate the momentum of a toy car of mass 200 g moving with a speed of 5 m s-1.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 5
Calculate the momentum of the following:
An elephant of mass 2000 kg moving at 5 m/s.
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EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 2 - Force and Laws of Motion>Exercise>Q 5
Calculate the momentum of the following:
A bullet of mass 0.02 kg moving at 400 m/s.
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