Simple Machines Question Preview (ID: 22380)
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What is mechanical advantage?
a) the advantage gain by the use of a machine in transmitting a force
b) using several pulleys together
c) a push or a pull
d) any interaction which tends to change the motion of an object
A bicycle is an example of a
a) wedge
b) lever
c) wheel and axle
d) screw
An inclined plane warp around a cylinder is called a
a) leve
b) screw
c) wedge
d) wheel and axle
Which of the following is NOT a simple machine
a) wedge
b) pulley
c) screw
d) foam
You would use a pulley to:
a) cut something
b) hold something together
c) help open close blinds
d) open a can
What is a simple machine that uses grooved wheels and a rope to raise or move a load.
a) lever
b) inclined plane
c) wheel and axel
d) pulley
An object being lifted or moved is a
a) work
b) load
c) friction
d) fulcrum
Which of the following statements regarding an inclined plane is NOT true?
a) They provide mechanical advantage
b) They are flat surfaces elevated at some angle
c) They increase the normal force acting on an object
d) Inclined planes makes moving things easier
A simple machine that push two objects apart
a) wedge
b) lever
c) screw
d) pulley
Which of the following is true?
a) Apply a force-- Displace an object---do work
b) Apply less fore---- Do less work
c) Apply no force --- Do no work
d) All of the above
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