Simple Machines Question Preview (ID: 59512)
7.P.2.4.
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Moving a fulcrum closer to the load makes lifting it easier
a) True
b) False
c)
d)
Which statement best explains how inclined planes create mechanical advantage and affect efficiency
a) Inclined planes reduce the amount of force necessary to move an object a specified height over a distance
b) Inclined planes reduce the amount of force necessary to move an object a specified height over a distance
c) Inclined planes increase the amount of force necessary to move an object a specified height over a distance
d) Inclined planes increase the amount of force necessary to move an object a specified height over a distance
Which simple machine would you use to move an object over great distances over a flat suface
a) Pulley
b) Lever
c) Wheel and Axle
d) Screw
Which of the following is used as a wedge?
a) a baseball bat
b) A bicycle handle
c) A faucet handle
d) A sewing needle
A wheel barrow uses what simple machine
a) Screw
b) Pulley
c) wedge
d) Wheel and axle
Which is an example of a lever
a) merry-go-round
b) Seesaw
c) Swing
d) Slide
How does using a pulley to lift an object increase the mechanical advantage
a) by decreasing the mass of the object being lifted
b) by increasing the mass of the object being lifted
c) by increasing the amount of force needed to lift the object
d) by decreasing the amount of force needed to lift the object
a flat, sloped surface
a) Pulley
b) Lever
c) Inclined Plane
d) None of these
The fixed point around which a lever pivots
a) Lever
b) Screw
c) Pulley
d) Fulcrum
A device that is thick at one end and tapers to a thin edge at the other end.
a) Lever
b) Wedge
c) Pulley
d) All of these
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