MEDIUM
9th CBSE
IMPORTANT
Earn 100

Why is it difficult to climb up a greased pole?
 

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 9
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?
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.