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work
FxD. Force times distance
Resistive force
MxG Mass times gravity
Distance object Lifted
work/resistive force (weight)
kinetic energy
K=1/2m v*2
Conservation of energy
Energy cannot be created or destroyed it can only change from one form to another but the total amount of energy always stays the same.
newtons first law
an object at rest, and an object moving at constant velocity will stay at that velocity unless acted on by a net external force.
Newtons second law
the sum of all external forces on an object equals that objects mass times its acceleration. F=ma
Newtons third law
For every force/action is an equal and opposite force/reaction