Asked by Jordan

Which machines has more mechanical advantage pulley or incline plane?

I asked this question before but did not quite understand the answers that were given to me. I think that the incline plane has more mechanical advantage in a friction less environment.
Answered by bobpursley
The MA of a pulley is 2.

The MA of an inclined plane is slope length divided by height, or 1/sinTheta

so at these angles...

angle MA
45 1/.7=1.4
60 1/.866=115
30 1/.5=2
15 1/.259=3.9

So it depends on the angle of the incline plane.
Answered by Jordan
ohh i finally get it!
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