SMS Work and Power (2024-2025)

Front

The rate at which work is done is called ___

Back

Power

Front

Work is done when an object moves in the same direction as the force applied. True or False?

Back

True

Front

What is the formula for calculating power?

Back

Power = Work / Time

Front

If no force is applied to an object, can work be done? Yes or No?

Back

No

Front

What is the unit of power?

Back

Watt (W)

Front

A 2kg object moving at a constant velocity on a frictionless surface requires what force to maintain its motion?

Back

0 N

Front

To calculate work done, which formula is used?

Back

Work = Force x Distance

Front

If 200,000J of work is done in 20 seconds, what is the power?

Back

10,000 W

Front

If Bradley did 300J of work in 45 seconds, how much power did he exert?

Back

6.67 W

Front

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

Back

Power is the rate of doing work over time.