NAME: tricycle

DESCRIPTION: It is a complex machine normally used by little children to move from one place to another. It is made up of different simple machines and other parts.ENERGY: It gets the energy to work from people.

PARTS OF THE TRICYCLE

Handlebar

Axle

Saddle

Wheels

Frame

Pedals

HOW DOES IT WORK?

Levers

The pedals are levers.

The child provides the effort by pedalling.

The pivot point is in the front axle.

The effort that makes the child moves the front wheel.

Pivot point

HOW DOES IT WORK?

The front wheel going round pulls the rest of the tricycle and makes the back wheels move.

HOW DOES IT WORK?

The handlebar is a lever.

When the child applies a force on the handlebar, the wheel changes direction.

The pivot point is in the middle and attached to the frame.

The frame is attached to the front axle.