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Simple Machines
Test Description: PITSCO
Instructions: Answer all questions to get your test result.
1) What is mechanical advantage?
A
the advantage gain by the use of a machine in transmitting a force
B
any interaction which tends to change the motion of an object
C
using several pulleys together
D
a push or a pull
2) A bicycle is an example of a
A
wheel and axle
B
lever
C
wedge
D
screw
3) An inclined plane warp around a cylinder is called a
A
wheel and axle
B
wedge
C
screw
D
leve
4) Which of the following is NOT a simple machine
A
foam
B
pulley
C
wedge
D
screw
5) You would use a pulley to:
A
open a can
B
hold something together
C
cut something
D
help open close blinds
6) What is a simple machine that uses grooved wheels and a rope to raise or move a load.
A
wheel and axel
B
pulley
C
inclined plane
D
lever
7) An object being lifted or moved is a
A
fulcrum
B
load
C
work
D
friction
8) Which of the following statements regarding an inclined plane is NOT true?
A
Inclined planes makes moving things easier
B
They provide mechanical advantage
C
They increase the normal force acting on an object
D
They are flat surfaces elevated at some angle
9) A simple machine that push two objects apart
A
wedge
B
screw
C
lever
D
pulley
10) Which of the following is true?
A
Apply less fore---- Do less work
B
All of the above
C
Apply a force-- Displace an object---do work
D
Apply no force --- Do no work
*select an answer for all questions
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