Question

120. When a ball bounces off the ground, which of
the following changes suddenly ?
(Assume no loss of energy to the floor)
(a)
Its speed
(b)
Its momentum
(c)
Its kinetic energy
Its potential energy
(d)​

Answer 1

Answer: B

Explanation:

Answer 2

Momentum.

Explanation:

• The answer is (b) momentum.
• There will be various changes but the sudden change will be in the momentum of the ball.
• As momentum is P=mv.
• It includes the mass and the velocity of the object.
• It shows the sudden change of the velocity of the object according to its mass.
• If the mass is large the change will be greater and if it is small then the velocity will be lesser.

Learn more about momentum.

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