Energy Unit CUA Retake assignment

Front

What is work in physics?

Back

Work is the transfer of energy using a force that causes an object to move in the direction of the force.

Front

What is the SI Unit for Force?

Back

Newton (N)

Front

What is the SI Unit for Work?

Back

Joule (J)

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What type of energy flows through power lines?

Back

Electric energy

Front

If a student lifts a 20 N backpack up 2 m, has work been done?

Back

Yes, work has been done.

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is power in physics?

Back

Power is the rate at which work is done or energy is transferred.

Front

What is the SI Unit for Power?

Back

Watt (W)

Front

If both a power sander and sandpaper use 50 N to cover 2 m, but the power sander does it in 5 seconds, who did more work?

Back

Both did the same amount of work.