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Energy
Formulas
Units
Misc.
Simple Machines
100
This type of energy is stored energy resulting from the relative positions of objects.
What is Potential Energy?
100
This is the formula for Work.
What is: w = f x d
100
This is the unit for work.
What is a Joule?
100
This type of machine is made up of two or more simple machines.
What is a compound machine?
100
This simple machine has a rigid arm that turns around a point called the fulcrum.
What is a lever?
200
This is the energy of a moving object due to its motion.
What is Kinetic Energy?
200
This is the formula for Power.
What is: P = w/t
200
This is the unit for power.
What is a watt?
200
This is the amount of work done when someone exhausts themselves trying to push a large rock that doesn't budge.
What is none?
200
This simple machine is a modified lever.
What is a pulley?
300
This is the sum of the potential and kinetic energy of an object.
What is Mechanical Energy?
300
This is the formula for Potential Energy.
What is: PE = m x g x h
300
This is the unit for potential energy.
What is a Joule.
300
This law states that energy is neither created or destroyed, but only changes form.
What is The Law of Conservation of Energy?
300
This simple machine is a lever or a pulley that is connected to a shaft.
What is a wheel and axle?
400
This is the source of energy when dynamite explodes.
What is Chemical Energy?
400
This is the formula for Kinetic Energy.
What is: KE = (mxv^2)/2
400
This is the unit for Kinetic energy.
What is a joule?
400
This type of "system" exchanges energy and matter with the outside.
What is an open system?
400
This simple machine is a ramp.
What is an inclined plane?
500
This is the source of the sun's energy.
What is Nuclear Fusion?
500
This is the only formula that we covered in Chapter 9 that incorporates gravity.
What is the Potential Energy formula?
500
This is the unit used for the acceleration of gravity.
What is m/sec^2
500
This measures the ratio of useful work output to work input.
What is Efficiency?
500
This simple machine is an inclined plane wrapped around a cylinder.
What is a screw?