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quick astb remindersq
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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
Volume
V= l*w*h
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)
Author:
Anonymous
ID:
109350
Card Set:
quick astb remindersq
Updated:
2011-10-16 18:53:28
Tags:
quick astb reminders
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Description:
something to study while at work
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