Work, Power and Energy Word Problems

A force exerted over a distance to move an object is ______________________.

• power

• work

• momentum

• Watt

If a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?

• 20,000 J

• 200 J

• 2,000 J

• 20 J

Tags

NGSS.MS-PS3-5

How much work is produced when 350 N is used to move a car 5 m?

• 70 J

• 1750 J

• 355 J

• 175 J

 Work done = Force x _________

• a. distance

• b. acceleration

• c. velocity

• d. speed

The unit used to measure work is the 

• Watt

• Newton

• Joule

• meter

The unit used to measure power is the 

• Watt

• Newton

• Joule

• Newton*meter

A 5000N block is lifted 10 m. How much work was done?

• 50000 J

• 5000 J

• 500 J

• 50 J

W=125 J
d=10 m
F=???

• 12.5 N

• 1250 N

• 0.08 N

• 135 N

If 150 Joules of work is needed to move a box 10 meters, what force was used?

• 1500 N

• 15 N

• 1.5 N

• 150 N

P=25 watts 
W=5000 Joules 
t=???

• 200 sec

• 0.0005 s

• 125000 s

• 125 s