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November 01, 2025, 09:08:58 am
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Author Topic: Friction Question--> Please help!  (Read 1011 times)  Share 

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methodsboy

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Friction Question--> Please help!
« on: March 11, 2009, 03:49:32 pm »
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hey im stuck with questions
2 c)
3 b)
3 c)
i just cant seem to work out the friction
can someone please help


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danieltennis

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Re: Friction Question--> Please help!
« Reply #1 on: March 11, 2009, 03:58:57 pm »
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danieltennis

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Re: Friction Question--> Please help!
« Reply #2 on: March 11, 2009, 04:00:35 pm »
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Note that the Work done by the pulling force causes an increase in the kinetic energy of the mat as well as heat generation.

.: Heat generated = work done by pulling force - increase in k.e.
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methodsboy

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Re: Friction Question--> Please help!
« Reply #3 on: March 11, 2009, 05:59:52 pm »
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Quote from: daniel. on March 11, 2009, 04:00:35 pm
.: Heat generated = work done by pulling force - increase in k.e.
oh i didn't know that.
thanks :)
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