Lecture Notes 2 2
Terms
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 Newton's First Law
 Law of Inertia  object at rest remains at rest and object in motion stays in motion unless acted upon by a force
 Newton's Second Law
 Force = Mass x Acceleration
 Newton's Third Law
 For every action force, there is an equal and opposite reaction force
 Newton major units

MKS metric
kilogram x meters/s^2  Newton basic units

MKS metric
kg m/s^2  Dyne major units

CGS metric
gram x centimeter/s^2  Dyne basic units

CGS metric
g cm/s^2  Pound major units

English
lb x 32feet/s^2  Pound basic units

English
lb 32ft/s^2  Newtons in a pound
 4.4
 Joule major units

MKS metric
Newton x meter  Joule basic units

MKS metric
kg m^2/s^2  Erg major units

CGS metric
Dyne x centimeter  Erg basic units

CGS metric
g cm^2/s^2  Footpound basic units

English
ftlb/1  Ergs in a joule
 10,000,000
 joules in a ftlb
 1.34
 acceleration of earth English
 32 ft/s^2
 acceleration of earth metric
 9.8 m/s^2
 Watt major units

MKS metric
joule/second  Watt basic units

MKS metric
kg m^2/s^3  Ergsecond major units

CGS metric
erg/second  Ergsecond basic units

CGS metric
g cm^2/s^3  Horsepower major units

English
550ft x lb/second  horsepower basic units

English
550lb ft^2/s^3  Ergseconds in a watt
 10,000,000
 Watts in a horsepower
 746