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Simple Machines
Test Description: Identify the simple machines in these common household objects.
Instructions: Answer all questions to get your test result.
1) Which of these is a lever?
A
stairs
B
bathtub
C
door knob
D
scissors
2) Which of these is a wedge?
A
light bulb
B
roller blades
C
toaster handle
D
saw
3) Which of these is a screw?
A
bat
B
refrigerator door
C
clock
D
light bulb
4) What type of simple machine is a toilet handle?
A
inclined plane
B
lever
C
pulley
D
wedge
5) What type of simple machine is an elevator?
A
pulley
B
wedge
C
lever
D
inclined plane
6) Which of these is a wheel and axle?
A
none of the above
B
door knob
C
both a and b
D
skateboard
7) Why are simple machines a mechanical advantage?
A
You use more force and go less distance.
B
You use less force and go more distance.
C
You use less force and go less distance.
D
You use more force and go more distance.
8) What do you call a machine made up of two or more simple machines?
A
a compound machine
B
a double simple machine
C
really expensive
D
a simple machine squared
9) What type of simple machine is a sled?
A
a lever
B
a wedge
C
a pulley
D
an inclined plane
10) What is the formula for work?
A
distance x mass
B
force x distance
C
force x mass
D
hard
*select an answer for all questions
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