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JDK1.0.2 simulations (1996-2001) => Misc => Topic started by: rabea on March 31, 2005, 03:28:52 pm



Title: Please Help Me on this QQ!! Thanks
Post by: rabea 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


Title: topic155
Post by: Fu-Kwun Hwang on July 19, 2005, 09:19:06 am
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.