Energy

Open Ended

What is Energy?

Open Ended

In what way is energy involved in the bouncing of a bouncy ball?

Potential and Kinetic Energy

An object may store energy by virtue of its position. Energy that is stored and held in readiness is called

potential energy (PE) because in the stored state it has the potential for doing work.

Potential and Kinetic Energy

If an object is moving, then it is capable of doing work. It has energy of motion, or kinetic energy (KE).

The kinetic energy of an object depends on the mass of the object as well as its speed.

It is equal to half the mass multiplied by the square of the speed

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