Simple Machines - Pulleys

Pulleys

Multiple Choice

You pull down on a rope attached to a fixed pulley.

What direction will the weight at the end move?

• Up

• Down

Multiple Choice

You pull up on a movable pulley.

What direction does the pulley move?

• Up

• Down

Multiple Choice

What is the IMA of a block and tackle with three supporting ropes?

• 1

• 2

• 3

Multiple Choice

What is the IMA of a fixed pulley?

• 1

• 2

• 3

Multiple Choice

What is the IMA of a movable pulley?

• 1

• 2

• 3

Multiple Choice

What is the mechanical advantage of a block and tackle system that contains four pulleys?

• 2

• 4

• 16

• 6