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Equations for WORK
WORK = force * distance

Efficiency of work
Work out / Work in

Pressure Equation
Pressure = force applied / area
in a hydraulic pressure system, hydraulic pressure is constant while area is the variable that will change

Three ways heat transfer
 1. conduction
 2. convection
 3. radiation
 heat moves from hot to cold
 the larger the difference of heat transfer the faster heat is moving

series circuit and christmas tree lights
if one light goes they all go

Torgue equation
torque = force * distance

mechanical advantage
a ratio load:effort
MA = Effort arm / resistance arm

shallow slope
provides a better M.A
slope length/ slope height = M.A

Pythagorean Theorem
a^2 + b^2 = c^2

area of a triangle
A = 1/2 bh


area of a circle
A= pie r^2

circumference or perimeter of a circle
pie * diameter
pie * radius square

volume of a cube
V = sides ^3

Volume of a cylinder
V= pie * radius square * height

y = mx + b
m = slope which is rise / run
b is intercept

gears
(revolution of gear A) (teeth of A) = revolution of gear B) (teeth of gear B)