Question

What is accomplished by this simple pulley?

(1 point)

1 It changes the duration needed to lift the object.

2 it changes the total work done to lift the object.

3 it changes the distance of the pull needed to lift the object.

4 It changes the direction of the force needed to lift the object.

Answer 1

Answer:

• 4. It changes the direction of the force needed to lift the object. $[{✓}]$