2. Wheels

2. Wheels

Wheels

• A wheel works as a special kind of lever.

• Each of the spokes is a lever arm and the centre of the wheel acts as a fulcrum.

Wheels

The rod attached to the centre is known as an axle, which spins at the same rate as the wheel.

Multiple Select

Which class of lever is each spoke of the wheel?

• First

• Second

• Third

Multiple Select

Hence, wheels are

• force multiplier

• speed multiplier