Energy cannot be created nor destroyed, it is transferred from one place to another and transformed between systems.

When objects are in motion or are in a position where they can move, they have

Mechanical Energy involves energy transformations between

Transformation/transform means

__________ Energy exists when something is in a position where it would move if it were free to move. (stored energy)

Energy in motion=

A car on top of a hill....

A book on a shelf...

A car moving down a street...

A book falling off a shelf...

A stretched bow in archery..

Water flowing down a river...

Water stored behind a dam..

The more mass an object has... the ________ potential energy.

The higher an object= the ______ potential energy.

Scientific work = __________ + ___________.

Car A is going 90mph.

Car B is going 70mph.

Which car has more kinetic energy?

In what unit does a Spring Scale measure force?

Simple Machines can reduce the amount of _____________ needed as well as change the direction used to lift the object.

When using a Simple Machine, the amount of effort/force may be reduced; however, the amount of WORK always stays the SAME!

A wheelchair ramp is an example of a/an...

You know you are using a pulley system when you see

If a pulley system has more wheels and a longer the rope then _________ effort force needed to lift the load.

In order to lift me (the heavier load) on the lever, I moved ________ to the fulcrum.

Even when using a simple machine the amount of __________ always remains the SAME!