Transcript Vocabulary for Simple Machines

Vocabulary for Simple
Machines
Study these terms for your
vocabulary test.
Force
force- a push that moves an object
away or a pull that moves an
object near
Friction
friction- a force that slows or
stops motion between two
surfaces that are touching
Gravity
gravity- the force that pulls
bodies or objects toward other
bodies or objects
Inclined Plane
inclined plane- a simple
machine made up of a
slanted surface
Lever
lever- a simple machine made
up of a stiff bar that moves
freely around a fixed point
Motion
motion- a change in an object’s
position as compared to
objects around it
Position
position- an object’s location,
or place
Pulley
pulley- a simple machine made
up of a rope fitted around the
rim of a fixed wheel
Screw
screw- a simple machine made
up of an inclined plane
wrapped around a column
Simple Machine
simple machine- a device that
changes a force
Speed
speed- a measure of the
distance an object travels in a
certain amount of time
Velocity
velocity- a measure of speed in
a certain direction
Wedge
wedge- a simple machine made
up of two inclined planes
Wheel and Axle
wheel and axle- a simple
machine made up of two
cylinders that turn on the
same axis