Show:
Kinectic Energy
Potential Energy
Total Energy
Efficency
Power
100
What does Kinetic energy measure?
It measures the amount of work.
100
What is definition of kinetic energy?
Kinetic Energy is stored energy.
100
What is the formula for Total Energy?
Potential Energy+Kinetic Energy
100
Efficiency can be measured as what?
It can be measured as a percent.
100
What is an example of Power?
An example would be electricity.
200
What is the formula for Kinetic Energy?
K.E.=1/2(mass)(velocity)^2
200
What is the amount of energy proportional to the force?
The energy proportional to the force is Potential energy.
200
What is the definition of Total Energy?
It is the total ability of an object to do work.
200
What cannot be measured more than 100%?
efficiency is it.
200
What are units for power?
The units are watts.
300
Kinetic Energy is motion in what?
It is energy in motion.
300
What is the potential energy formula?
The formula is (mass)(gravitational acceleration)(height).
300
What is the energy that cannot be altered?
Total Energy is the energy that cannot be altered.
300
Where can be efficiency be used?
Machines can use efficiency to change the direction of a force,increaase force or increase speed.
300
What does the power measure?
The power measures how quickly work is performed.
400
What is energy in motion?
The energy in motion is kinetic energy.
400
What is an example of potential energy?
A Bear hibernating is an example.
400
What is the example of Total Energy?
The example is a bear staying still.
400
Efficiency is the ratio of of what?
It is the ratio of output to input work.
400
Does power increase or decrease in a shorter period of time?
It increases.
500
What is energy proportional to the the momentum?
It is the Kinetic Energy.
500
When is potential energy the greatest?
The potential energy is moving up.
500
Unless the amount of force associated with an object changes,what cannot be altered?
The Total energy cannot be altered.
500
What is example of efficiency?
An example would be a machine.
500
Is the power exerted on an object is slower or faster in the change in motion of an object?
Power is faster.