Energy Vocabulary
The ability to do work
What is energy?
Movement of energy from one source to another source
Makes work easier by changing the size of direction of acting forces
What is machine?
Ideal Mechanical Advantage; amount of work a machine is designed to do at its best
What is IMA?
What is kinetic energy?
Energy of motion
What is kinetic energy?
One form of energy changes to another; allows energy to be used in different ways
What is energy transformation?
Wind power, hydropower
What are renewable energies?
Two types of mechanical energy
What are potential and kinetic?
Actual mechanical advantage
What is AMA?
Transfer of warmer energy to cooler energy
What is thermal transfer of energy?
Energy is “lost” in the form of
What is heat?
Coal, petroleum, and natural gas
What are nonrenewable energy sources?
mechanical energy of position; capable of starting motion
What is potential energy?
Waves transferring energy
What is electromagnetic transfer of energy?
Scissors are an example of what type of machine?
What is compound machine?
A rubber band stretched between two objects most likely has what type of energy?
What is potential energy?
A resource that can be replaced at a rate equal to or greater than the rate at which it is used is best known as a
What is a renewable source?
Refers to the number of times a machine multiples a force
What is mechanical advantage?
Moving objects pushing or pulling on another
What is mechanical energy transfer?
A crane is an example of
What is complex machine?
Energy cannot be destroyed
What is the Law of Conservation of Energy?
A ball is rolling down a hill. What two types of energy does it have?
What is mechanical and kinetic?