
Simple Machines Quiz Review
Authored by Allen Fox
Science
9th Grade
NGSS covered
Used 4+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which diagram represents a lever with the input force and load on opposite sides of the fulcrum?
Diagram A
Diagram B
Diagram C
Diagram D
Answer explanation
Diagram A correctly shows a lever with the input force and load positioned on opposite sides of the fulcrum, illustrating correctly a First Class Lever.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three of the following simple machines are part of the same family. Which one does NOT belong?
pulley
lever
wedge
wheel and axle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which wedge would make the work the hardest to accomplish?
First wedge
Second wedge
Third wedge
Answer explanation
The third wedge has the most shallow angle, requiring more force to drive it into the material, making the work the hardest to accomplish compared to the first and second wedges, which are easier to use. Imagine which you would use to split a log - this shape is the most desirable wedge for splitting.
Tags
NGSS.MS-ETS1-1
NGSS.MS-ETS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for mechanical advantage (MA) when given the forces?
MA = Fr ÷ Fe
MA = Le ÷ Lr
MA = length ÷ height
MA = Force x Distance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mechanical advantage of a lever if the effort arm is 4 m and the resistance arm is 2 m?
2
4
0.5
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for mechanical advantage (MA) when given the forces?
MA = Fr ÷ Fe
MA = Fe ÷ Fr
MA = Fr x Fe
MA = Fe x Fr
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the force applied is 15 N and the work done is 45 J, what is the distance?
3 meters
1 meter
5 meters
10 meters
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