document.write( "Question 1106116: Kindly help: A 325-kg carton is sitting on a ramp, help stationary by 275kg of tension in a restraining rope. Find the ramp's angle of incline to the nearest tenth of a degree.\r
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Algebra.Com's Answer #721049 by ikleyn(52905) $\"\"$ $\"About$

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document.write( "In any textbook in Physics, you can find a Figure showing force decomposition on the sloped ramp.\r\n" );
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document.write( "    See, for example, this link:  http://www.dummies.com/education/science/physics/calculating-the-force-needed-to-move-an-object-up-a-slope/\r\n" );
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document.write( "From the figure,  F = W*sin(A),  where\r\n" );
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document.write( "     W is the weight, F is the tension force, and \"A\" is the inclination angle.\r\n" );
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document.write( "In your case  W = 325 kg (in your case kilograms are not the mass units - they are the force units, instead),  F = 275 kg.\r\n" );
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document.write( "So, sin(A) =  =  = 0.846.\r\n" );
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document.write( "Then  A = arcsin(0.846) = 1.008 radians = 57.8 degrees.\r\n" );
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