MEDIUM
9th CBSE
IMPORTANT
Earn 100

A large truck and car both moving with same velocity of magnitude v have a head on collision and both halt after that. If the collision lasts for 1 second :

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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
What do you understand by the term momentum?
 
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 2
Is momentum a scalar or a vector quantity?
 
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 3
State two factors which determine the momentum of a body.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 4

If p is the momentum, m, the mass and v, the velocity of a body, write a mathematical expression relating the momentum with m and v.

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 5
State the units of momentum in SI system.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 6
Define Newton’s second law of motion:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 7
Name and define the unit of force in SI system ?
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 8
What do you understand by the term impulse of force?