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1. |
A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support R. |
A. | 790N |
B. | 80N |
C. | 200N |
D. | 100NView Answer |
Answer» B. 80N | |