1.
the energy transferred to or from an object when a force acts upon it, causing it to move a certain distance in the direction of that force
4.
The work done on an object equals the change in kinetic energy of the object
6.
The energy of a system due to the motion of the systems center of mass
7.
the rate at which work is done
9.
A device that makes work easier
10.
The force applied to a machine
11.
Impeding effect exerted by one material object on another.
12.
the number of times a machine increases a force exerted on it
13.
the mechanical advantage of a machine in the absence of friction
14.
The percentage of the input work that is converted to output work
15.
a machine made of more than one simple machine
