Potential and Kinetic Energy 2022

elastic potential energy

when a bow is drawn back, before it is released

The cars at the top of a roller coaster

gravitational potential energy

cars going down hill on a roller coaster

kinetic energy

a boulder on top of a mountain

gravitational potential energy

skateboarder as he goes down the hill.

kinetic energy

When you stretch a rubber band

potential energy

highest point of a swing

gravitational potential energy

the energy of the pendulum as it swings up

kinetic energy

the ball at its highest point in the air

gravitational potential energy

The Law of Conservation of Energy

Energy cannot be created or destroyed, it simply changes form.

energy of motion

kinetic energy

stored energy

potential energy

Greatest Gravitational Potential Energy

1

Greatest Kinetic Energy

3

Most Gravitational Potential Energy

1

Least Potential Energy

less heavy ball

50 Joules

What is the kinetic energy of a 4 kg rock falling through the air at 5 m/s?

KE = 1/2 mass X velocity squared

At the halfway point

If a rock falls from a cliff, at what point are its kinetic energy and its potential energy the same? Ignore air resistance.

2,000,000 J

Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s

energy of motion

Define kinetic energy

stored energy or energy of position

Define potential energy

unit of energy

Joule