Simple Machines
Authored by Shelby Koehler
Physics
7th - 8th Grade
NGSS covered
Used 1K+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
________________ is done whenever a force moves an object a distance.
Load
Friction
Force
Work
Tags
NGSS.HS-PS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can simple machines make work easier?
by decreasing the force needed to complete the task
by increasing the friction between the machine and the object
by adding more work on the object than originally applied
by removing the force of gravity on the object
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simple machines can make work easier by reducing the input force needed to move an object. However, there is a trade off for decreased input. What is the trade off?
The distance the object is moved is increased.
The distance the object is moved is decreased.
The amount of work is increased.
The amount of work is decreased.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A doorknob is an example of a _______.
wheel and axle
inclined plane
pulley
wedge
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type simple machine would the base of a light bulb be?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An example of a lever is a ________.
doorstop
drill
staircase
hammer
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The fixed point around which a lever rotates is know as the
wheel.
fulcrum.
input force.
output force.
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