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Energy
Formulas
Heat
Units
Work
100
Ability to cause change or do work.
What is the definition of energy?
100
f= ma
What is the formula for force?
100
What would heat up faster, metal or plastic?
Metal
100
Newtons (N)
What is the unit for force?
100
Jason needs to move a rock. The rock has a mass of 90 kg. How much force does the rock have? How much work would be done if he moved it 2m?
a) f= 90*9.8 f= 882 N b) w= fd w= 882 * 2 = 1764J
200
Energy cannot be created or destroyed.
What does the Law of Conservation of Energy state?
200
w= fd
What is the fomula for work?
200
Does lower or higher specific heat heat faster?
Lower
200
Joules (J)
What is the unit for work?
200
If Mrs. Moore carries a bag of bricks that weighs 100 N 2000m, how much work did she do?
None
300
What form of energy does ALL energy turn into?
Heat
300
PE= mgh
What is the formula for potential energy?
300
Energy transferred between objects with different temperatures.
What is the definition of heat?
300
Watts (W)
What is the unit for power?
300
If I have a force of 900N, how much work would it take for me to jump 2 m?
1800 J
400
What is the SI unit of energy?
Joule
400
KE= ½ mv2
What is the formula for kinetic energy?
400
Amount of energy it takes to raise the temperature of 1kg of a material 1 degree C.
What is the definition of Specific Heat?
400
Joules (J)
What is the unit for heat energy?
400
Transfer of energy that occurs when a force makes an object move.
What is the definition of work?
500
1. Kinetic 2. Potential 3. Elastic Potential 4. Chemical Potential 5. Gravitational Potential
What are the 5 main forms of energy?
500
Q= m* Csp* (change in temp)
What is the formula for specific heat?
500
Radiation
How does the Sun transfer heat?
500
True or False: Kinetic and Potential have the same unit...
True
500
Joules
What is Work measured in?