What are the three things that wheels, pulleys, and gears increase?

What are the centre of a wheel and the outside of a wheel called?

What happens when you turn on a tap?

What rotates faster the rim or the axle of a wheel?

How does the electric fan operate really fast, although the motor of an electric fan turns the central axle slowly?

How is a wheel used to produce a force advantage in a steering wheel?

What is a pulley? and how can we increase the force applied to it?

What happens when two pulleys are used?

How can we produce a greater mechanical advantage using pulleys?

What is the block and tackle
arrangement?

What are gears and what is the most common type of gears?

What is a gear train and how
does it works?

What is a driving gear and a driven gear? and what combinations of gears increase force and speed?

Which gear combination acts as a force multiplier? How?

Which gear combination acts as a speed multiplier? Example.

What are the different types of gears and their functions?

Bevel gears

Worm gear

Rack and pinion

Idler gear