Force, Work and Energy

Front

What is gravity?

Back

a pulling force between two objects

Front

What is friction?

Back

a force that slows or stops an object in motion

Front

What is work?

Back

when a force changes an object's motion or moves an object

Front

What is energy?

Back

the ability to do work

Front

What is a force?

Back

a push or a pull

Front

True or False: Forces stop motion, start motion, speed and slow motion, or change the direction of motion.

Back

true

Front

Rubbing your hands together is a simple example of ___.

Back

friction

Front

Why does an apple fall down when it gets detached from the tree?

Back

Due to gravitational force

Front

A football is kicked by a boy. It rolls on the ground to some distance and stops. The force which stops the ball is _______.

Back

frictional force

Front

Read the statements carefully and choose the correct option.

Statement A: We get energy from food we eat.
Statement B: We need energy to do work.

Back

Both the statements are correct.