EASY
9th CBSE
IMPORTANT
Earn 100

State the units of impulse of force in SI system ?
 

Important Questions on Force and Laws of Motion

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 1
 Write an expression for impulse of force in terms of (i) force and time, (ii) change in momentum.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 2
Why is the term impulse of force coined?
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 3
Why are we not hurt at all, while diving in a deep water tank from a height of 10 m? Explain.
 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 4
Why are the long jump athletes made to jump in sand pits? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 5
Why are the glass and porcelain articles packed in straw, foam or cardboard? 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 6

Why is the body of cars, scooters, etc, is mounted on flat springs? Explain.

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 7

Why does one get hurt seriously while jumping on a hard floor? Explain.

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 8

Why does a player move his hands backward while taking a catch? Explain.