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how machines do work (What is a machine (input and output forces (input…
how machines do work
What is a machine
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Changing force
changing force occurs when the necessary amount of force is changed due to the simple machine used, such as using a pulley.
Changing Distance
If the input force is greater than the output force, then the distance might change a result
Changing Direction
some machines will change the direction of the force, instead of the amount of force or the distance
Efficiency of Machines
in real situations, you lose efficiency with machines
Friction and Efficiency
when overcoming friction, work is always wasted in different amounts
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Real and Ideal machines
because of friction, a machine never has 100% efficiency, but that would be a ideal machine
Mechanical Advantage
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Increasing Force
you increase force with simple machine because, and that is how you calculate mechanical advantage
Increasing Distance
when you increase distance with a simple machine, your M.A. may be less than 1, ex. .5
Changing Direction
with a machine that changes direction, the M.A. will always be one.