What is a wheel?

What is an axle?

What type of advantage can a wheel provide?

What is an example of a wheel giving a force advantage?

What is an example of a wheel giving a speed advantage?

What is a pulley?

What is the advantage of using a pulley?

How do you increase the force applied to a pulley?

How does using two pulleys help?

What is the block and tackle arrangement?

What is a disadvantage of having two wheels connected to each other by a belt.

How can this be avoided?

What are gears?

How can gears be joined together?

What is a gear train?

What happens to one gear when the other spins?

What is the driving gear?

What is the driven gear?

When are gears used as force multipliers?

At which speed at the two cogs rotating?

When is using this gear combination useful?

When are gears used as speed multipliers?

When is using this gear useful?

What are sprockets?

How do you use first gear?

How do you use highest gear?

Hope you learned something :-)