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How does a pulley change a force?
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
Making an elevator go up or down is a job for a...
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
The following simple machines can be used to lift objects EXCEPT
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
A simple machine made up of a rope fitted around the rim of a fixed wheel is a
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
Simple machines help people do work by...
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
Which of the following is an example of a wheel and axle?
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
A pair of scissors is made of which two simple machines?
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
Avery is pushing a toy box across a carpeted floor. What could make the box move faster?
lever and wedge
wedge
door knob
changing a force
removing toys from the box
pulley
It changes the direction of the force.
pulley
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