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Mechanical Systems Test Mar 5
The Mechanical Systems test that is on March 5th for me. Includes formulas and stuff.
18
Science
8th Grade
03/02/2012
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Term
Power Formula
p
 Definition
Power= Work / Time
p=w/t
Term
Work Formula
w
 Definition
Work= Force x Distance
w=FxD
Term
Mechanical Advantage Formula
M.A.
 Definition
Mechanical Advantage= Force Output / Force Input
M.A.=FOUT/FIN
Term
Efficiency Formula
Eff.
 Definition
Efficiency= Mechanical Advantage / Speed Ratio x 100
Eff.=M.A./S.R.x100
Term
Speed Ratio Formula
S.R.
 Definition
Speed Ratio= Distance Input / Distance Output
S.R.=DIN/DOUT
Term
Pressure Formula
P
 Definition
Pressure= Force / Area
P=F/A
Term
Power Measurement
p
 Definition
Watts
W
Term
Work Measurement
w
 Definition
Joules
J
Term
Time Measurement
t
 Definition
Seconds
sec
Term
Force Measurement
F
 Definition
Newtons
N
Term
Distance Measurement
D
 Definition
meters
m
Term
Mechanical Advantage Measurement
M.A.
 Definition
no unit
Term
Force Output/Input Measurement
FOUT/FIN
 Definition
Newtons
N
Term
Pressure Measurement
P
 Definition
Pascals
Pa.
Term
Efficiency Measurement
Eff.
 Definition
%
Term
Speed Ratio Measurement
S.R.
 Definition
no unit
Term
Distance Input/Output Measurement
DIN/DOUT
 Definition
meters, centimeters, kilometers, etc, as long as they are the same
Term
Area
A
 Definition
meter(2) (meter squared)
m(2) (squared)
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