What is an inclined plane?
An inclined plane is a form of simple
machine that consists of a slanted
surface along which objects are
easier to push upward that to lift
A ramp and stairs are both examples
of inclined planes.
Length and Height of Inclined
It is easier to move an object up a
more sloping (longer in length)
inclined plane than it is to move the
same object up a steeper (shorter in
length) inclined plane.
Example: It would be easier to ride a
bike up a longer but shorter hill.
Why do you use an inclined plane?
Incline planes reduce the effort
needed to carry something over a
long distance or to raise something
to a higher level.
What is a screw?
A screw is a simple machine
consisting of a pole or rod with an
inclined plane wrapped around it.
Screws are used for holding things
together (wood screws), drilling
holes in things (drills), and lifting
things (car jacks).
What is a wedge?
A wedge is another version of the
inclined plane. Usually it is thought
of as two inclined planes put back to
Wedges help us cut things, chop
things, and split things apart. They
are also used to hold things in place.
Axes, knives, and scissors are all