Chapter 14 Vocab
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Grooved wheel with a rope or cable wrapped over it.
two circular objects of different sizes that are attached in such a way that they rotate together
- Wheel and Axle
any rigid rod or plank that pivots, or rotates, about a point.
an inclined plane wrapped around a cylinder or post.
an inclined plane that moves
a flat, sloped surface
- inclined plane
a combination of simple machines
- Compound Machine
a machine that works with only one movement
the ratio of the output work to the input work. calculated from this equation
Workout divided by Workin x 100%
The ratio of the output force to the input force
Force(out) divided by Force(in)
Mechanical Advantage (MA)
the force the machine applies
the work you apply on the machine
how quickly work is done can be calculated by:
work (in joules) divided by time (in seconds)
and is measured in WATTS
Done when a force causes an object to move in the same direction that the force is applied. It is measured in joules
Can be calculated as:
force (in newtons) X Distance (in meters)
What would you like to do?
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