Quizizz Work, Power

 Work done = Force x _________

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

Tags

NGSS.MS-PS2-2

What is the unit used to measure work?

• Joule

• Watt

• Newton

• Pascal

If Work = Force x distance, how much work is done if it takes 20N to move a box 10 meters?

• 0 J

• 2 J

• 20 J

• 200 J

The equation for POWER is

• power = mass x time

• power = work / time

• power = time / work

• power = work x time

________________ is the rate at which work is done.

• Power

• Work

• Time

• Energy

Tags

NGSS.MS-PS3-5

Which of the following is the best example of work being done.

• doing homework

• lifting a box

• pushing a stationary box

• holding a bottle of water

In which of these cases is work being done?

• A student sleeps

• A student pushes a locked door that does not move

• A student carries her chair into another room

• A student sits on the carpet

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

• True

• False

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

• True

• False

What would 54 N be an example of?

• work

• power

• distance

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2