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posted by  EngFil on 7/3/2009 8:27:31 PM  |  status: Live  |  Earned Karma: 1127

PRob 2 forces: Will Surely rate lifesaver!

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Part III. Problem Solving (25%)

Two stationary blocks are resting on smooth inclined planes and are connected by a cable. The cable runs parallel to the inclined planes and rests on a frictionless pulley as shown. The mass of block A and block B are 60 kg and 150 kg respectively. The angle of incline a is thrice the other angle b. Determine the tension in the cable and the value of a. Note that the force exerted by the surface to a block is perpendicular to the incline.

Hint: Use the trigonometric addition and double angle formulas.

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posted by delna on 7/31/2009 6:03:24 AM  |  status: Live
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        You should be able to understand the homework problem you are asking about by following the steps below:
  according to equilibrium equations:
  "I hope this helps! Best of luck with the rest of your coursework."
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