Question

A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?

A. to reduce the force needed to lift the box and change the direction of the force
to reduce the force needed to lift the box and change the direction of the force

B. to reduce the force needed to lift the box while keeping the direction of the force the same
to reduce the force needed to lift the box while keeping the direction of the force the same

C. to reduce the energy needed to lift the box and change the direction of the force
to reduce the energy needed to lift the box and change the direction of the force

D. to reduce the energy needed to lift the box while keeping the direction of the force the same
to reduce the energy needed to lift the box while keeping the direction of the force the same

Answer 1

[AI-generated answer — Bot]

B. to reduce the force needed to lift the box while keeping the direction of the force the same. The lever allows the person to apply a smaller force over a greater distance in order to lift the box, while maintaining the same direction of force.