Potential
kinetic energy
Energy
Bonus round
100
where is the most potential energy in this picture
W
100
Define kinetic energy
Energy of motion
100
define energy
the ability to cause change or do work
100
Define mechanical energy
The sum of kinetic and potential energy
200
what is potential energy
the energy possessed by a body by virtue of its position relative to others.
200
What is the kinetic energy formula
0.5(m)(v)2
200
If a roller coaster is at the top of a hill, what type of energy does it have?
Potential energy
200
what is the main source of energy for the earth
the sun
300
what is the formula for potential energy
mass x gravity x height
300
What are 5 types of kinetic energy
1. Radiant energy
2. Thermal energy
3. Sound energy
4. Electrical energy
5. Mechanical energy
300
What is the standard unit of measurement for energy?
Joules
300
define law of conservation of energy
energy cannot be created or destroyed
400
How much PE does this ball have?
mass: 72kg
gravity: 10
height: 185m
130536 J
400
how do you convert potential energy to kinetic energy
By pe=ke(v)=4.6m/sec
400
What is a vector?
(bonus what movie has a man named vector)
something that has both direction and magnitude
400
what is centripetal force
an object travelling in a circular motion
500
what are all types of potential energy
chemical, elastic, electrical, gravitational, nuclear, and thermal energy
500
What is the formula for kinetic energy?
.5 x M x V2
500
what is a vector
a quantity that has both direction and magnitude oh yeah