MEDIUM
Earn 100

If a fly collides with the windshield of a fast moving bus, which experiences an impact force with a larger magnitude?

Important Questions on Force and Laws Of Motion

EASY
According to third law of motion, action and reaction:
EASY
Action and reaction force acts on:
EASY

“Action and reaction are equal and opposite, still their resultant is not zero.” Explain.

EASY
If someone jumps to the shore from a boat, the boat moves in the opposite direction. Explain?
MEDIUM

If the mouth of an inflated balloon is untied, what will you observe? Explain your observation.

EASY

Body A collides with a body B. A exerts a force of 10 N on B. The force which B exerts on A is _____ N.

EASY

What is Newton's third law? Give some examples where this law can be applied.

EASY

“Forces always occur in pair.” From which law, do we conclude the above statement. Give two examples to support your answer.

EASY
The mass of a solid iron cube of side 4 cm is to be determined. Of the four spring balances available, the one best suited for this purpose would have
EASY

Explain why it is difficult for a fireman to hold a hose, which ejects large amounts of water at high velocity?

MEDIUM

Any two forces which are equal and opposite form an action-reaction pair.

MEDIUM

If the earth attracts a body with a force of 20 N, then what force is exerted on the earth by the body?

EASY

Explain the principle on which rocket works.

EASY

State Newton's third law of motion.

MEDIUM

State the action and reaction in the following:

Moving rocket

EASY
A water sprinkler used to irrigate grass lawns begins to rotate as soon as the water is supplied. Explain the principle on which it works.  
MEDIUM
If someone jumps to the shore from a boat, the boat moves in opposite directions. Explain why.
EASY

Why is it difficult to walk on slippery road?

HARD
If action is always equal to reaction, explain how a horse can pull a cart?
EASY
Explain why a fireman holds the hose pipe very tightly when he directs a powerful stream of water on fire.