Power and Work

If you are given newtons and meters, what can you solve for?

• Power

• Work

• Time

• Distance

Tags

NGSS.HS-PS3-1

If you are given watts and seconds, what can you solve for?

• Work

• Power

• Time

• Force

You are asked to solve for distance, what two other variables must you be given?

• power and time

• work and power

• time and force

• force and work

In a problem you are given newtons, seconds, and meters, what should you solve for first?

• work

• power

• force

• distance

Tags

NGSS.HS-PS2-1

A newton-meter is also know as what?

• watt

• joule

• seconds

You are asked to find power in a problem, what two other variables do you need?

• force and distance

• work and time

• time and distance

• force and 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

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

If it takes 20 N to move a box, how long will it take a 20W motor to move the box 5m?

• 5 sec
• 1 J
• 1 sec
• 5 W

Tags

NGSS.HS-PS3-1

How much power does it take to life 50N, 10m high in 10sec?

• 50 W
• 5000 W
• 500 J
• 50 m

Tags

NGSS.HS-PS3-1

How long will it take a 100W motor to lift a 5kg mass 20m?

• 9.8 sec
• 2000 Sec
• 500 sec
• 500 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5