Unit 6b Review: Simple Machines
Authored by Kristen Knapp
Science
8th Grade
NGSS covered
Used 3+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A machine that combines two or more simple machines
Inclined plane
Screw
Compound machine
Wheel and axle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of times a machine increases a force exerted on it
Mechanical advantage
Efficiency
Fulcrum
Compound machine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. The fixed point around which a lever pivots
Inclined plane
Fulcrum
Output force
Input force
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The percentage of the input work that is converted to output work
Mechanical advantage
Efficiency
Output force
Input force
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of lever has the resistance force in the middle?
1st class
2nd class
3rd class
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A simple machine that consists of a rigid bar that pivots around a fixed point
Inclined plane
Pulley
Wedge
Lever
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A simple machine that consists of a grooved wheel with a rope wrapped around it
Pulley
Screw
Wedge
Wheel & axle
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