MEDIUM
9th ICSE
IMPORTANT
Earn 100

Make a pile of similar carom coins on a table. Then remove the lower coin without touching the other coins. With your fingers, you may give a sharp horizontal hit at the bottom of the pile using a striker. What will happen if the hit is strong enough?

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Important Questions on Laws of Motion

MEDIUM
9th ICSE
IMPORTANT

Make a pile of similar carom coins on a table. Then, remove the lower coin without touching the other coins. With your fingers, you may give a sharp horizontal hit at the bottom of the pile using a striker. What will happen to the remaining coins once the lower coin is removed?

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HARD
9th ICSE
IMPORTANT
Why you prefer to fall on a mattress or sand after a high jump rather than cement floor?
MEDIUM
9th ICSE
IMPORTANT
What will be the change in acceleration of a sliding block, if it’s mass is doubled while a constant force is acting on it?
EASY
9th ICSE
IMPORTANT
Why does a boat tend to leave the shore, when passengers are alighting from it?
MEDIUM
9th ICSE
IMPORTANT
Explain, the mechanism of rocket propulsion using Newton's third law of motion.
HARD
9th ICSE
IMPORTANT
Why birds cannot fly in the sky of the Moon?
MEDIUM
9th ICSE
IMPORTANT
Differentiate between contact and non-contact forces. Explain with two examples.
MEDIUM
9th ICSE
IMPORTANT
Do you agree that Newton's first law of motion gives rise to the definition of force? If yes, explain.