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Momentum & Energy

Horizontales
If an object is at rest, it must have zero _____ energy.
Impulse is force times change in ____.
Due to this principle, a ball cannot bounce to a higher height than it was dropped from.
A machine in which all of the input turns into useful output runs at 100% ________.
In a(n) _____ collision, objects stick together.
Verticales
This quantity is equal to the change in momentum.
Potential energy equals mass times "g" times _____.
Energy has two main forms, Kinetic and ______.
Mass times velocity
The "hood" area of the car is called the ________ ____, and should not be made too rigid for optimum safety in a collision.
The SI units for energy
A simple machine multiplies _____.