Question

How do you calculate the effort force of a pulley?

Answer 1

Explanation:

1. The corroded iron wheel with a rope wrapped around it is known as a "pulley." The rope will be inserted into the groove on the wheel.
2. The wheel spins when you pull on the rope. Typically, heavy things are lifted using pulleys.
3. The pulley's raised object is referred to as the load, and the force needed to lift it is referred to as the effort force.
4. In the diagram, a pulley is used to raise a block of wood by applying a force$F$, also known as the effort force. The load is typically divided by the number of ropes to determine the effort.

There is only one rope shown in the diagram. We must divide the block's mass by the number of ropes if we assume that it weighs $20kg$. Since the diagram only shows one rope

$\begin{array}{rcl}& \Rightarrow & \mathrm{Effort}=\frac{20}{1}\\ & \Rightarrow & \mathrm{Effort}=20\mathrm{kg}\end{array}$

Therefore, the block will weigh $20kg$ for the person lifting it.