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(Solved): Previous answer is incorrect. Please help! 24) Block \( A \) of mass \( 80 \mathrm{~kg} \) is on to ...



24) Block \( A \) of mass \( 80 \mathrm{~kg} \) is on top of a massless \( 6^{\circ} \) wedge. The coefficient of kinetic friPrevious answer is incorrect. Please help!

24) Block \( A \) of mass \( 80 \mathrm{~kg} \) is on top of a massless \( 6^{\circ} \) wedge. The coefficient of kinetic friction for all contact surfaces of the \( { }^{\prime 0} \) iock and the wedge is \( \mu_{k}=0.3 \). The wedge is connected to a threadeas haft of \( 6 \mathrm{~mm} \) lead, \( 18 \mathrm{~mm} \) mean radius, and \( \mu_{k}=0.15 \). What is the moment needed to be exerted on the shaft to raise the block at a connstant rate?


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