Work, Power, and Energy
Authored by Robert Metzger
Science
7th Grade
NGSS covered
Used 1+ times
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61 questions
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1.
OPEN ENDED QUESTION
1 min • 1 pt
A boy does 18 J of work in 2 s on his backpack as he lifts it from a table.
How much power did the boy use on the backpack?
( Include your units!)
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You do work when you mannequin pose with an object in your hand.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Work divided by time equals...
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit used to measure power is the
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How much time is needed to produce 720 Joules of work if 90 watts of power is used?
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Two factors that determine work are...
Force
Mass
Velocity
Distance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false
You do work only when you exert a force on an object and move it
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