L4S2

Level 4

Session 2

What's Next ?

Programming

A penny is dropped off the Eiffel tower (ignore air resistance). As it falls, what happens to its potential energy? What happens to its kinetic energy?

As it falls, its velocity goes up, so its kinetic energy goes up. It also looses height so its potential energy goes down

Lets do it

However, mechanical energy stays the same ME = KE + PE

Mechanical Energy

Mechanical energy is the sum of Kinetic and potential energies for the same object

ME = KE + PE

Where :

ME = Mechanical Energy

KE = Kinetic Energy

PE = Potential Energy

Programming

Potential Energy

Potential energy is energy due to an object's height above the ground

PE = mgh

Today's Model

The Forceps Bot

Where :

PE = Potential Energy

m = mass

g = acceleration

h = height