Question
Use the image of the pulley to answer the question lifting the weight without a pulley requires a force of 400 neutrons over a distance of 4 m How do these values change when the pulley is applied A both the force and the distance decrease B The Force increases why the distance decreases C The Force decreases while the distance to increases D both the force in the distance increase
Answers
GPT-4o mini
When using a pulley, the purpose is typically to reduce the amount of force required to lift a weight, while increasing the distance over which that force is applied. This principle relates to the conservation of energy, where the work done (force x distance) remains the same.
Given that lifting the weight without a pulley requires a force of 400 Newtons over a distance of 4 meters, using a pulley would typically decrease the force needed to lift the weight while increasing the distance over which the force is applied.
Therefore, the correct answer is:
**C: The Force decreases while the distance increases.**
Given that lifting the weight without a pulley requires a force of 400 Newtons over a distance of 4 meters, using a pulley would typically decrease the force needed to lift the weight while increasing the distance over which the force is applied.
Therefore, the correct answer is:
**C: The Force decreases while the distance increases.**