Pulley Systems

What is a pulley system? 

• A simple machine that consist of a wheel and a rope 
• A simple machine that consist of a board and a rope
• A simple machine that uses a wedge 
• A diving board 

Which one is an example of a pulley system?

• An ax 
• A ramp 
• An elevator
• A See-Saw 

Tags

NGSS.MS-ETS1-1

A ladder is a pulley system

• False
• True

How do you calculate the machine advantage? 

• By counting the number of ropes
• By counting the number of wheels
• By finding the mass of the load
• By finding the net force

A Elevator is a Pulley system.

• False
• True

A flag pole is a pulley system. 

• TRUE
• FALSE

What does a pulley system do?

• Forces two objects to split
• Changes an objects speed
• Changes an objects velocity
• Changes the direction of the pull used to lift the load