Simple Machines
Authored by Yifan Hu
Physics
1st - 8th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
An inclined plane has a height of 5 and a base of 12. Find the IMA.
12/5
13/5
13/12
5/13
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A wedge as shown above is being used to lift the corner of the foundation of a house. What’s the IMA of the wedge?
2
5
0.1
10
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A 20 kg box is on a seesaw. On the other side, how far does a 30 kg box have to be to balance the seesaw? Assume seesaw is weightless.
9 m
12 m
8 m
10 m
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the ideal mechanical advantage of a car that has an axle diameter of 20 cm and a wheel diameter of 420 cm?
21
18
30
0.0476
5.
FILL IN THE BLANKS QUESTION
15 mins • 1 pt
A double tackle is attached to a ceiling with a 400 N load hanging from it. How much force is needed to keep the load from moving?
Do not write any units in your answer
(a)
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What class lever is your arm?
Class 1
Class 2
Class 3
Not a lever
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Is a bicycle a complex or a simple machine?
Simple
Complex
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