Work and Power Quiz

You do work when you exert a force on an object and move it.

• true

• false

Two factors that determine work are-

• size of the force and distance

• size and type of force

• mass and distance

Work is a measurement of how much force is applied over a certain-

• distance

• velocity

• shape

• size

Units for work are-

• netwons

• joules

• meters

• seconds

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J
• 30 J
• 120 N 
• 30 N

The unit used to measure power is the-

• Watt

• Newton

• Joule

• Newton*meter

P=25 watts 
W=5000 Joules 
t=???

• 200 sec
• 0.0005 s
• 125000 s
• 125 s

Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.

• energy
• time
• work
• elasticity

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

Tags

NGSS.MS-PS2-2

Work is done when a weightlifter holds a barbell still above his head.

• True
• False