Please Help Me on this QQ!! Thanks

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"There is nothing either good or bad, but thinking makes it so." ..."Shakespeare (154-1616, English dramatist and poet) "

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rabea

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lots!

1 Please Help Me on this QQ!! Thanks

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on: March 31, 2005, 03:28:52 pm »

Hi,
again this is someone elses question.could anyone of u help me out in solving it?
An inclined plane is 30 cm long and 6 cm high. A load of 100 N is pulled up the ramp with a force of 25 newtons.

What is the work input?

work output?

work lost to friction?

ideal mechanical advantage?

actual mechanical advantage?

Efficiency?

Thanxs!!!!!
Sofia


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Fu-Kwun Hwang

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Reply #1 on: July 19, 2005, 09:19:06 am » posted from:Taipei,T'ai-pei,Taiwan

The work done is the Force*distance

A load of 100N??? The unit of the load should not be the unit of force?

Need to know if the load is moving with constant velocity or need to know the coefficient of friction to find the work lost due to friction.


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"There is nothing either good or bad, but thinking makes it so." ..."Shakespeare (154-1616, English dramatist and poet) "

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