Physics Final Exam chapter 7
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what are the six simple types of machines?
- inclined plane
- wheel and axle
what are the eight types of energy?
- Gravitational potential Energy
- Kinetic Energy
- Heat Energy
- Radiant Energy
- Chemical Potential Energy
- Elastic Energy
- Electrical Energy
- Nuclear Energy
What is potential energy?
The energy stored in an object due to its distance above the surface of the earth
What is kinetic energy?
The energy of a moving object
What is total mechanical energy?
The sum of the kinetic and potential energies.
What is a machine?
Mechanical devices that help do work
What is the law of conservation of energy?
In any transfer or transformation of energy, the total amount of energy remains constant
Who stated the law of conservation of energy?
Heinrich Von Helmholtz
Power is always measured in Watts
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