ROLLER COASTER

Simple machines
1) a wheel an axle. That's what the carts use to go along the tracks

2) chain and pulley
They are used to pull the cart up the track

3) Inclined plane
The whole ride is filled with inclined planes that's why you go up and down

4) lever
The lever is used to start and stop the roller coaster

5) screw
The screws hold everything together

FORCES

TYPES OF FORCES

• Gravitational force
• Force of the seat pushing the roller coaster up
• Air resistance
• Magnetic force
• Friction

Gravitational force
Gravity provides the energy source for the roller coaster & inertia keeps it in motion