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Question

A ball of mass $m$ is moving in a straight line with a constant velocity of $1 m / s$ . What is the velocity of ball after 1 hour?

(Assume there is no net force acting on the ball)

A

Zero

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B

$10 m / s$

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C

$1 m / s$

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D

$2 m / s$

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Solution

The correct option is C
$1 m / s$

A body continues to be in its state of motion unless acted upon by an external force. Given there is no net force acting, the ball continues to move in the same direction with same velocity until net force acting on it becomes non-zero.

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