Work and Power - Rehearse
Authored by Shawna Fields
Science
9th - 12th Grade
NGSS covered
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following scenarios involves work being done?
Holding a book stationary above the ground.
Pushing a wall with no movement.
Lifting a bag from the floor to a table.
A satellite orbiting Earth in space.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Work is done when a weightlifter holds a barbell still above his head.
Answer explanation
There is no movement, so no work is done.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of power?
Joule (J)
Watt (W)
Newton (N)
Meter (m)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When force is used to move an object across a distance, this is called...
effort
power
energy
work
Tags
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a force of 10 N is applied over a distance of 4 meters, what is the total work done?
40 J
20 J
10 J
14 J
Tags
NGSS.HS-PS3-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula for work is:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?
12 J
8 J
20 J
5 J
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