What are pulleys and wheels used for?
Pulleys are simple machines that help us do work with less effort. Wheels are round objects attached to an axle that helps move things. Pulleys and wheels work together to make things move even easier!
Pulleys and Wheels
Pulley - a simple machine consisting of a wheel with a groove in it, over which a rope or chain passes, used chiefly for raising and lowering weights. Wheel - a circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground. Mechanical Advantage - the amount of force gained in a machine or system by using a pulley or wheel.
Draw a shark with a big mouth and teeth, holding a cupcake with its fins. Color it creatively!
What do you think is the most important use of wheels and pulleys?
- Making things move
- Making things easier to lift
- Making things more stable
- Making things more interesting
What are the similarities and differences between a pulley and a wheel?
What are some examples of everyday objects that use pulleys and wheels?
What are the advantages and disadvantages of using pulleys and wheels as simple machines?
How can pulleys and wheels be used to make work easier?
Go to google search: exploring pulleys virtual lab