Simple Machines and Work
Authored by Hannah Bariola
Biology
8th Grade
NGSS covered
Used 7+ times
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73 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Work is done when you push a book across a table.
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Doing work faster requires more power.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Machines always decrease the force needed to do a job.
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A well-oiled, low-friction machine can be 100 percent efficient.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A doorknob is a simple machine.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A loading ramp makes it easier to lift a load.
True
False
Tags
NGSS.MS-ETS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are force and motion related to doing work?
Force and motion are unrelated to work.
Work is done when force causes motion.
Motion occurs without any force involved.
Force is applied but no work is done.
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
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