Quiz - Work, Power, & Mechanical Advantage

How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?

• 15 J
• 45 J
• 0 J
• 5 J

What is the equation for power?

• P = Work/time
• P = Force/time
• P = time/distance
• P = Work * time

A person weighing 600 N gets on an elevator. The elevator lifts the person 6 m in 10 seconds.  How much power was used?

• 360 W 
• 60 W
• 3600 W
• 600 W

800 Newtons of force moving a distance of 20 meters will be how much work done?

• 40 J
• 1,600 J
• 400 J
• 16,000 J

What is the unit of measurement for Power?

• Joules
• Newtons
• Watts
• Meters

45,000 Joules of work done in 90 seconds results in how much power?

• 50 watts
• 500 watts
• 5000 watts
• 4,050,000 watts

If you push a coffee mug 1.4 m using a force of 5 N, the work done on the mug is?

• 7 J
• 6 J
• 8 J
• 9 J

How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?

• 3.8 m
• 3.7 m
• 3.2 m
• 3.6 m

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

 Work done = Force x _________

• a. distance
• b. acceleration
• c. velocity
• d. speed

A Mustang has more horsepower than your mom's minivan. What does this mean?

• The Mustang has a higher topspeed.
• The minivan has a worse gas mileage.
• The Mustang can do work faster.
• The Mustang will die.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5