Simple Machines, Work and Energy
Authored by Charles Martinez
Physics
6th - 8th Grade
NGSS covered
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit used to measure work is the
Watt
Newton
Joule
Meter
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ______________ is a rope or chain wrapped around a wheel.
wedge
lever
pulley
screw
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Any device that makes work easier is called a ______________________.
Joule
prop
lever
machine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The efficiency of a machine can be increased by reducing __________________________.
effort
force
fulcrum
friction
Tags
NGSS.MS-ETS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit used to measure power is the
Watt
Newton
Joule
Newton*meter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A simple machine with a flat, sloped surface is a(n) __________________.
lever
wheel and axle
inclined plane
pulley
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the best example of work being done.
doing homework
lifting a box
pushing a stationary box
holding a box
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