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Posted by on Thursday, April 18, 2013 at 9:50pm.

A block of mass 3.42 kg is drawn at constant speed a distance of 1.32 m along a horizontal floor by a rope exerting a constant force of magnitude 8.62 N and making an angle of 17.0 degrees above the horizontal. Compute the coefficient of friction between the block and the floor.

  • Physics - , Thursday, April 18, 2013 at 9:54pm

    horizontal force=friction=8.62cos17

    vertical force on block up=8.62sin17

    friction force=mu(3.42g-8.62sin17)

    set this equal to the horizontal force, and solve for mu

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