Work & Power Quiz

What units do we use to measure work?

• watts
• newtons
• joules
• meters

What is the equation for calculating power?

• distance / time
• work x time
• work / time
• force x distance

In which of these cases is work being done? 

• A student sleeps all night.
• A student pushes a locked door that does not move.
• A student carries his chair into another room.
• A student sits on the carpet.

Tags

NGSS.MS-PS3-5

A kid throws a ball with a force of 70N over 1.1 meters. How much work did he do?

• 77 joules
• 70 joules
• 7.7 joules
• 11 joules

Tags

NGSS.MS-PS3-5

Which of these is a measurement of power?

• 100 joules
• 100 watts
• 100 meters per second
• 100 hertz

A 500N block is lifted 10 m. How much work was done?

• 5000 J
• 500 J
• 50 J
• 5 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-2

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

• power
• work
• momentum
• Watt

Tags

NGSS.MS-PS3-5

In which case is work being done?

• A

• B

• C

• D

True or false: when the distance an object moves is zero the work done on the object is also zero.  

• True
• False

What would 54N be an example of?

• work

• power

• distance

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2