Homework Help: PHYSICS

Posted by Jordan on Tuesday, June 28, 2011 at 5:17pm.

When you have more pulleys does the mechanical advantage and efficiency increase or decrease?

PHYSICS - bobpursley, Tuesday, June 28, 2011 at 5:19pm
Ma increases. Efficiency normally is reduced, as friction is a significant loss.
PHYSICS - Jordan, Tuesday, June 28, 2011 at 5:27pm
what would happen if it was a friction less environment?
PHYSICS - bobpursley, Tuesday, June 28, 2011 at 5:27pm
efficiency is unchanged, and everyone lives happily forever.
PHYSICS - Jordan, Tuesday, June 28, 2011 at 5:28pm
haha okay thank you for your help!

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