ENERGY Definitions
A spring that is tightly compressed has _____ kind of energy?
Potential Energy
A ball held in the air is what kind of energy?
Potential Energy
What does a direct force mean?
Object are touching when exerting force on each other.
What is not a form of Energy?
A rock on the ground.
What is force?
a push or pull
What is Energy?
The ability to do work.
The Potential to do things.
When you feel heat from the sun, which of the following do you NOT experience?
A Indirect force
B heat energy
C kinetic Energy
C
Conservation of Energy means
energy cannot be created or destoryed
extra 200 points if you include-It can be transferred from one form to another.
Direct
Does total mechanical Energy change?
NO- Total Mechanical Energy DOES NOT change.
What is the definition of Potential Energy?
Potential energy is energy that depends on the position of the ?object. Even though an object might not be moving, it has the ?potential to move.
What is one fact about energy?
Mrs. Fleming will decide if your answer is correct.
Is energy transfer demonstrated in collisions?
Yes
An object with more ______ has more kinetic Energy.
Speed
A baseball moving 30 mph has more energy than a baseball moving 50 mph- True or False?
False
What is the definition of Kinetic Energy?
The energy that exists due to motion.
Does total mechanical Energy change or stay constant?
Stays the same
(Remains Constant)
Definition of Force
A push or Pull
Is Total Mechanical Energy _A, B, Or C_ after a collision.
A. before
B. aftero
C. Before and After
C. Before and after
Give an example of how one type of energy can be transferred into another type of energy.
Mrs. Fleming will say if it is correct.
______ + _______ = _________
Potential Energy + Kinetic Energy = Total Mechanical Energy
Energy can be transferred through 3 things...
Heat
Light
Sound
What is indirect force?
objects are not touching when exerting force on one another.
As an object speeds up, its kinetic energy increases or decreases?
Increases
As a sled goes down a hill
Kinetic energy ______ and potential energy ________. Total Mechanical energy stays constant.
Kinetic Energy increases
Potential Energy decreases