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OpenStudy (anonymous):
A trunk w/ a mass of 100kg is pulled 10m across a floor by a rope making an angle of 30 degree w/ the horizantal.if the coeffient of sliding frictions is 0.2.find a. the force of the rope b.the work done
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OpenStudy (anonymous):
Fcos30-.2*(100-Fsin30)>=0 F=20.70
OpenStudy (anonymous):
w=20.70*cos30*10=179.29
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