Lifting the weight without a pulley requires a force of 400 newtons over a distance of 4 meters. How do these values change when the pulley is applied? (1 point) Responses Both the force and the distance decrease. Both the force and the distance decrease. Both the force and the distance increase. Both the force and the distance increase. The force decreases, while the distance increases. The force decreases, while the distance increases. The force increases, while the distance decreases.

1 answer

When a pulley is used to lift a weight, it typically reduces the amount of force needed to lift the weight. This is because a pulley can change the direction of the force applied and, in some cases, create a mechanical advantage.

In a simple pulley system, the force required to lift the weight decreases, while the distance over which the force is applied (the length of rope you pull) increases. For example, if you're lifting a weight of 400 newtons and using a pulley, you might only need to exert 200 newtons of force, but you would have to pull the rope a longer distance.

Therefore, the correct response is: The force decreases, while the distance increases.