Pulleys

Front

What is the name of the pulley system shown?

Back

Fixed pulley

Front

What is the name of the pulley system shown?

Back

Compound pulley

Front

What is the name of the pulley system shown?

Back

Movable pulley

Front

the object to be moved using a machine

Back

load

Front

What is the mechanical advantage of this pulley?

Back

4

Front

How does a pulley make work easier?

Back

It changes direction and increases the effect of your input force.

Front

What is the mechanical advantage of the block and tackle used to lift the bale of cotton?

Back

2

Front

This 2000 N weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope?

Back

500 N

Front

In a movable pulley with a mechanical advantage of 4, if you move the rope 20 cm, how far will the object move?

Back

5 cm

Front

How much force would be needed to lift the 150 N weight if divided by the number of pulleys?

Back

75 N