The correct response is:
It changes the direction of the force needed to lift the object.
A simple pulley primarily allows a person to lift a load by pulling down on the rope, which changes the direction of the force applied.
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 direction of the force needed to lift the object.
It changes the direction of the force 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.
1 answer
The correct response is:
It changes the direction of the force needed to lift the object.
A simple pulley primarily allows a person to lift a load by pulling down on the rope, which changes the direction of the force applied.