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Unformatted text preview: (i) the cranks 2 and 4 are balanced, that is, the centers of mass of links 2 and 4 are coincident with the ground pivots 2 O and 4 , O respectively; (ii) gravity is acting into the paper (that is, in the negative Zdirection); (iii) the effects of friction in the mechanism can be neglected; and (iv) the only torque acting on the mechanism is the driving (or input) torque on crank 2 at the crankshaft bearing (or ground pivot) 2 . O If you would like to check your answers for this homework assignment then you could write a computer program in Matlab which will use matrix inversion to determine the unknown variables....
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 Spring '08
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 Machine Design

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