1. 1. Which picture below illustrates the concept of energy transformation?
2. Which picture below illustrates the concept of energy transfer?
3. In picture A, the total energy before the collision the total energy after the
collision.
A. is less than B. is greater than C. is equal to
4. In picture B, the total energy before the car stops the total energy after the car
stops.
A. is less than B. is greater than C. is equal to
A
B
B
A

2. Force
A push or a pull
Defined as
Friction
Example

3. Friction
A force that
acts to reduce
slipping between two
surfaces
Defined as
Mass and surface
conditions
Affected by
Static Kinetic
The friction of
objects at rest
The friction of
objects in motion
Defined as Defined as
Two types are

4. Elastic Force
A push or
a pull
Example
Force produced
from stretched
materials
Material and
stretch length
Linear
relationship
Defined as
Affected by
Is a

5. Energy
The ability to
make things
move
Defined as
Energy of
objects at rest
Energy of
objects in
motion
GPE KE

6. Energy of
objects at rest
Energy of
objects in
motion
Mass and height Mass and speed
GPE = mgh KE = 1/2mv2
Affected by Affected by
Formula Formula

7. Energy
Energy stored
in stretched or
compressed
materials
Affected by
Elastic
Material and
stretch length
Non-Linear
relationship
Is a

8. Energy
Work
A car crashing
into a
non-moving car
Equals no
work
Can be transferred
Example
No movement

9. A car crashing
into a
non-moving car
Rate of
doing work
Power is
How fast or
slow energy
is transferred
Or

10. Energy
Can be transformed
GPE to KE on
a rollercoaster
The Law of
Conservation
of Energy
Must obey
Energy is not
created or
destroyed,
just changed
Defined as