Energy and Forces Practice

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only converted from one form to another.

Tags

NGSS.MS-PS3-5

Front

What happens to the motion of a ball when it slows down?

Back

The ball is losing kinetic energy.

Tags

NGSS.MS-PS3-5

Front

What type of energy is associated with the motion of an object?

Back

Kinetic Energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What does it mean if the forces acting on an object are balanced?

Back

The object is not moving or is moving at a constant velocity.

Front

What is an example of an unbalanced force?

Back

A baseball that has been thrown to home plate.

Tags

NGSS.MS-PS2-2

Front

What is potential energy?

Back

Energy stored in an object due to its position or state.

Tags

NGSS.MS-PS3-2

Front

How does friction affect motion?

Back

Friction opposes motion, causing objects to slow down or stop.

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv^2, where m is mass and v is velocity.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is an example of energy conversion?

Back

A light bulb converting electrical energy into light energy.