9. Force, Work and Energy

Click the correct answer (True or False).

Work is done when you hit a ball with a bat.

True

False

Click the correct answer.

A ball moving on the ground comes to rest on its own after some time due to which of the following?

Frictional force

Gravitational force

Mechanical force

Electrical energy

Click each box on the left and then click the matching box on the right.

Match the Columns

Potential energy

Wind energy

Electrical energy

Sound energy

Light energy

Stretched string

Windmill

Washing machine

Guitar

Torch

Click the correct answer.
Force is defined as a which changes or tries to change the state of motion of a body when acting on it.

push

pull

push or pull

attraction

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