Question

simple machines
which pulley would require the least amount of force to lift the weight?
r. pulley a
s. pulley b
t. pulley c
v. they all require the same amount of force.

Explanation:

Step1: Understand pulley - force relationship

The more ropes supporting the weight in a pulley system, the less force is required to lift the weight.

Step2: Analyze each pulley

Pulley A has multiple ropes supporting the weight, Pulley B has fewer, and Pulley C has the least.

Answer:

R. Pulley A