Work and Power Quiz

If a force of 10 N is applied to move an object 3 meters, how much work is done?

• 30 J

• 13 J

• 7 J

• 0 J

A machine does 600 J of work in 5 seconds. What is the power of the machine?

• 120 W

• 100 W

• 3000 W

• 105 W

If a person pushes a cart with a force of 50 N and moves it 4 meters, how much work is done by the person?

• 200 J

• 54 J

• 100 J

• 250 J

A light bulb uses 60 J of energy to produce light for 2 seconds. What is the power consumption of the light bulb?

• 30 W

• 120 W

• 60 W

• 15 W

If a force of 25 N is applied to move an object 2 meters in 5 seconds, what is the power used?

• 5 W

• 10 W

• 50 W

• 250 W

A car engine does 4500 J of work in 15 seconds. What is the power output of the engine?

• 300 W

• 150 W

• 600 W

• 450 W

If a force of 100 N is applied horizontally to push a box 10 meters across a floor, how much work is done against the floor?

• 1000 J

• 1100 J

• 900 J

• 100 J

• 98 W

• 196 W

• 980 W

• 490 W

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If a person exerts a force of 75 N to push a box 5 meters in 3 seconds, what is the power exerted by the person?

• 125 W

• 75 W

• 25 W

• 250 W

• 588 W

• 300 W

• 1960 W

• 0 W