Waves
The peak of a wave.
Crest
Energy moves in _____.
Waves
A push or pull that causes an object to start moving or do work.
Force
The distance traveled in an amount of time. (Ex. mph)
Speed
Eenergy an object has because it is moving.
Energy of motion (kinetic energy).
The bottom of a wave.
Trough
When energy moves across the deep ocean, in what pattern do the waves move?
Up and down.
This force pulls you down to the ground.
Gravitational force.
Speed + direction (Ex. 500 km/h NW)
Velocity
Energy that is stored inside an object.
Stored energy (potential energy).
The distance from crest to crest or trough to trough.
wavelength
Waves that move up and down are called ________.
Transverse waves.
The force occurs when two objects rub together (ex. your hands or a ball rolling on the ground).
Friction
When an object speeds up, slows down, or changes direction.
Acceleration
As a roller coaster moves up a hill, it is increasing what type of energy?
stored energy (potential energy).
The distance from peak to trough.
Amplitude
Waves that move back and forth are called _______. A slinky is an example of this.
Longitudinal waves.
The force that occurs when a baseball hits a bat.
Contact force.
What causes an object to stop moving?
A force.
stored energy (potential energy)
As energy increases, what happens to the amplitude of a wave?
It increases.
What is energy?
The ability to do work.
Why does a parachute slow down a skydiver?
The force of the air pushing up on the parachute slows the fall. These are called drag forces.
If two objects with different masses are traveling at the same speed, which has more energy of motion?
The object with the greater mass.