Work and Power Review (Units and Concepts)

Front

Is there work done?

Back

Yes

Front

Distance is expressed in terms of _____

Back

meters

Front

Which statement is correct?

Back

Both work and power are scalar quantities.

Front

The following are scalar quantities except _____

Back

force

Front

Work is expressed in terms of _____

Back

Joules

Front

What is the formula for calculating work?

Back

Work = Force x Distance (W = F x d)

Front

What unit is used to measure power?

Back

Watts

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy.

Front

Define power in terms of work and time.

Back

Power is the rate at which work is done (P = W/t).

Front

What is the SI unit of work?

Back

Joule (J)