Study Guide: Energy, Motion, Force, and Work

Front

What is a push or pull that causes an object to move, stop, or change direction?

Back

Force

Front

What is the rate at which one form of energy is transformed into another?

Back

Power

Front

What is the amount of energy transferred per time when using a light?

Back

Power

Front

How can you increase your power when mowing grass?

Back

Mow your yard in less time.

Front

If four students are pushing a desk in different directions and it moves north, which student does work on the desk?

Back

Will

Front

What is the force that opposes motion between two surfaces in contact?

Back

Friction

Front

What is the force that attracts objects toward each other, such as the Earth and an object?

Back

Gravity

Front

What is the work done when a force moves an object a certain distance?

Back

Work = Force x Distance

Front

What is the unit of power in the International System of Units (SI)?

Back

Watt (W)

Front

What is the relationship between work, power, and time?

Back

Power = Work / Time