A window sash having a mass of 4 kg is normally supported by two 2-kg sash weights.
Question:
A window sash having a mass of 4 kg is normally supported by two 2-kg sash weights. Knowing that the window remains open after one sash cord has broken, determine the smallest possible value of the coefficient of static friction (Assume that the sash is slightly smaller that the frame and will bind only at points A and D.)
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FBD window NA 54m A I 36m C tw 36m B D ND FD 4 kg 981 ms 39...View the full answer
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