Work, Power, & Energy

The unit used to measure work is the 

• Watt
• Newton
• Joule
• meter

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

• power
• work
• momentum
• Watt

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

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

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

• 70 J
• 1750 J
• 355 J
• 175 J

How much power is the  tractor that drags a plow with a force of 500 N a distance of 10 meters in 20 seconds?

• 250 Watts
• 250 Joules
• 100,000 Watts
• 100,000 Joules

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The amount of work done in a certain amount of time is known as 

• work
• effort force
• resistance force 
• power

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-PS3-4

NGSS.MS-PS3-5

A bird used 8 watts of power and flew for 5 seconds.  How much work did the bird do?

• 40 watts
• 40 joules
• 1.6 watts
• 1.6 joules

Bro A bench presses 145-lbs five times in 20 seconds.
Bro B bench presses 145-lbs five times in 10 seconds.

• Bro A did more work.
• Bro B did more work.
• Both Bros did the same amount of work.
• Bro

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5