Simple Machines Flashcards
The number of times a machine multiplies the input force
Mechanical advantages
The percentage of the work done on a machine that the machine can return in output work
Efficiency
One of the basic machines on which all other mechanical machines are based
Simple Machine
A solid bar that rotates, or turns, around a fixed point (fulcrum)
Lever
A fixed point around which a lever rotates
Fulcrum
A simple machine that is a wheel attached to a shaft, or axle
Wheel and axle
A wheel with a grooved rim that turned on an axle
Pulleys
A simple machine that is a sloping surface
Inclined plane
A simple machine that has a thick end and a thin end
Wedge
A simple machine that is an inclined plane wrapped around a cylinder
Screw
Any device that makes working easier
Machine