MEDIUM
9th CBSE
IMPORTANT
Earn 100

Derive the relationship between force and rate of change of momentum.

Important Questions on Force and Laws of Motion

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 2
Express Newton's second law of motion in terms of the momentum of a body.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 3
What is meant by the term 'impulse of a force'?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 4
Write the relationship between impulse of a force and the change in momentum produced by it.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 5
Show that Newton's first law of motion is contained in the second law of motion.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 6

Give reasons:

A car driver would prefer to hit something soft (say haystack) than a wall if his car goes out of control while driving.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 6

Give reasons:

Car passengers are advised to wear seat belts.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 6

Give reasons:

Car seats are provided with springs.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 2 - Force and Laws of Motion>Check Your Progress>Q 7

Two bodies A and B of the same mass are moving with velocities v and 3v respectively. Compare their inertia.