12 terms

Machines

simple machines and work
STUDY
PLAY
force
push or pull
work
the transfer of energy through motion. also force*distance
power
the rate of doing work
machine
a device that makes work easier
mechanical advantage
the amount by which a machine multiplies the effort force
effort force
the force applied to a machine
resistance force
the force applied by the machine to move a load
fulcrum
the pivot point of a lever system
screw
a simple machine consisting of an inclined plane wrapped around a cylinder
pulley
a simple machine consisting of a wheel and axle with a rope, chain, or material wrapped around it
wedge
a simple machine consisting of 2 inclined planes aligned back to back
compound machine
a machine consisting of 2 or more simple machines