MEDIUM
9th CBSE
IMPORTANT
Earn 100

Why does a truck driver puts solid bricks or a wooden plank under the wheel of his truck, which is stuck in the soft mud?

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 10
Why does an athlete pushes the earth backward with his hands and feet, just before the start of a race?
 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 11
Why does a gun recoil backward when fired? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 12
Why does an inflated balloon rise up vertically for some distance, when punctured from below? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 13
Why do the pieces of a cracker fall in all directions, when it is burst? Explain.
 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 14
Why do the tiny rockets used on festivals rise up, when ignited? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 15
How do the rockets operate in space? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 16
Why is it easier to stop a tennis ball than a cricket ball, moving at the same speed? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 2 - Force and Laws of Motion>EXERCISE>Q 17
Why are the road accidents at higher speeds more disastrous, as compared to those at low speeds? Explain.