149_Physics ProblemsTechnical Physics

149_Physics ProblemsTechnical Physics - Chapter 5*P5.66 The...

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Chapter 5 151 *P5.66 The upward acceleration of the rod is described by yy v t a t a a fiy i y y y =+ + ×= + + × = −− 1 2 11 0 00 1 2 81 0 31 2 2 33 2 ms 2 ej . The distance y moved by the rod and the distance x moved by the wedge in the same time are related by tan tan 15 15 °= = ° y x x y . Then their speeds and accelerations are related by FIG. P5.66 dx dt dy dt = ° 1 15 tan and dx dt dy dt 2 2 2 2 1 15 1 15 31 2 117 = ° = ° F H G I K J = tan tan . ms 22 . The free body diagram for the rod is shown. Here H and H are forces exerted by the guide. F ma n mg ma n n y = °− = = ° = :c o s cos . . . . . cos . 15 15 0250 98 0250 312 10 3 15 10 6 2 kg m s kg m s N N 2 e j For the wedge,
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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