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Science chap 11 + 12

chap. 11 sec. 4, chap. 12 sec. 1+2

Bernoulli's principle rule that states that a stream of fast-moving fluid exerts less pressure than the surrounding fluid
work when you exert a force on the object that causes the object to move some distance
joule unit of work equal to one newton-meter
efficiency output work/ iput work x 100%
mechanical advatage = output force/ input force
work = force x distance
machine device that changes the amount of force exerted or the direction in which force is exerted
input force force exerted on a machine
output force force exerted on an object by a machine
ideal mechanical advantage mechanical advantage that a machine would have without friction
actual mechanical advantage mechanical advatage that a machine provides in a real situation
Created by: smiles10