MA > 1
increase output force
MA < or =
change direction of force
one of the six basic types of machines, which are the basis for all other forms of machines
lever and inclined plane
two catagories of machines
rigid arm that pivots on a fulcrum (pivot point)
modified lever around fulcrum
wheel and axle
large pulley which acts a s a wheel attached to a rod
ramp; multiplies and redirects force
two inclined planes back to back
inclined plane wrapped around a cilandrical post
the ability to do work
kinetic or potential
all types of energy can be classified as
energy due to motion
law of conservation of energy
energy cannot be created nor destroyed ONLY tansformed from one type to another
MA of a moveable pulley
MA of a block and tackle
sound, light, thermal
3 types of energy in a lightbulb
elastic, electric, chemical
3 types of energy
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