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15 Cards in this Set

  • Front
  • Back
compund machine
combination of two or more simple machines
efficiency
measure of how much of the work put into a machine done by a machine
inclined plane
simple machinethat has a sloping surface
lever
simple machine made from a bar
machine
device that makes work easier
mechanical advantage
number of times a machine multiplies the effort force to it applied
power
the rate at which work is done
pully
simple machine that consistes of a grooved wheel with a rope or chain or cable that runs along the groove
resistance
force applied by a machine to overcome resistance
screw
simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post
simple machine
machine that does work with only one movement includes the lever, pully, wheel and axle, inclined plane, screw, and a wedge
wedge
simple machine that consists of an inclined plane with one or two sloping sides
wheel and axle
simple machine that consists of two different sized wheels that rotate together
work
transfer of energy that ocurs when a force makes an object move; measured in joules
effort force
force exerted on a machine that is used to do work