Work
This is defined as product of force on an object and the distance moved in the direction of the force or ____ = Force x distance (in the direction of the force).
Work
This the rate at which work is done or ____ = Work/time
Power
This is the amount of stored energy in an object based on it's position/ height or _____= mgh
Gravitational potential Energy
This is the amount of energy an object has subject to its motion or _____ = 1/2*m*v^2
Kinetic Energy.
This states that energy cannot be created or destroyed, it can only be transferred or change forms.
The law of conservation of energy
This is the SI unit that Work is measured in.
Joule (J)
This is the SI unit that power is measured in blank.
Watt (W)
This is the SI unit that potential energy is measured in.
Joule.
This is the unit that Kinetic Energy is measured in.
Joule.
This type of energy increases when there is friction.
Internal/ Thermal/Heat Energy
This is another way to express the unit Joules for work. (Hint: Work = Force X Distance, Joule = _____ X ____.
Newton Meter
This happens to power when you increase the amount of work done.
Increases.
If you double an objects height, this happens to your Gracitational Potential Energy.
Doubles.
If I double an objects velocity, I do this to my kinetic energy.
Quadruples.
An object falls from a height h without air resistance. The object is at one half (1/2) its original height. The gravitational potential energy lost is equal to this energy gained.
Kinetic Energy.
The direction of displacement and the direction of the force applied are the same. This means that work will be a ______ value.
Positive
This happens to power when you increase the time taken.
Decreases.
Before an object begins to move, the Total Mechanical Energy an object has is equal to its ________
Potential Energy.
A pendulum is swinging back and forth. As the pendulum moves from its lowest point to its highest point, its energy transfers from Kinetic Energy to this type of energy.
Gravitational Potential Energy
As I lift an object higher, at constant speed, I do work on the object. As I do work on the object, the object increases this type of energy.
Gravitational potential Energy.
The direction of the displacement and the direction of the force are PERPENDICULAR TO EACH OTHER. This means that the amount of work done here will be _______.
0 Joules.
If I do 2000 Joules of work in 1/12 minutes, I produce this amount of power in Watts.
400 watts
An object moves down a ramp at constant speed. The object loses gravitational potential energy and gains this type of energy.
Internal/ heat/ thermal Energy.
A hot wheels car is speeding down a ramp with friction. The gravitational potential energy the car started with is now these types of energy.
Kinetic Energy and Internal/Thermal/Heat Energy.
The equation ∆Ep = ∆Ek shows how energy may be converted. In the same equation, ∆mgh = ∆1/2*m*v^2, this property of the object cancels out in this expression.
Mass.