Work and Power

Front

What happens to object B if object A does work on it?

Back

Object B gains energy.

Front

Is talking to people in distress on the phone considered work?

Back

Not work.

Front

What is being added to an object anytime work is done?

Back

Energy.

Front

Does time affect the amount of work done?

Back

No, it never plays a factor.

Front

What happens to your power output if you walk at the same speed with a heavier backpack?

Back

Power would go up because work went up.

Front

Define work in physics.

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is power in the context of work?

Back

Power is the rate at which work is done.

Front

How is power calculated?

Back

Power = Work / Time.

Front

What unit is used to measure work?

Back

Joule (J).

Front

What unit is used to measure power?

Back

Watt (W).