The correct response is:
It changes the direction of the force needed to lift the object.
A simple pulley allows a person to pull down on the rope to lift an object upward, effectively changing the direction of the force exerted.
Use the picture to answer the question.
An illustration shows a man lifting a box using a pulley.
What is accomplished by this simple pulley?
(1 point)
Responses
It changes the direction of the force needed to lift the object.
It changes the direction of the force needed to lift the object.
It changes the duration needed to lift the object.
It changes the duration needed to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the total work done to lift the object.
It changes the total work done to lift the object.
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1 answer