The correct response is:
It changes the direction of the force needed to lift the object.
A simple pulley allows a person to lift an object vertically by pulling down on a rope, which changes the direction of the force applied.
Pulleys and Inclined Planes Quick Check
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Question
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 total work done to lift the object.
It changes the total work done 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 direction of the force needed to lift the object.
It changes the direction of the force needed to lift the object.
1 answer