A 2.35-kg uniform bar of length , 5 1.30 m is held in a
Chapter , Problem 75(choose chapter or problem)
A 2.35-kg uniform bar of length , 5 1.30 m is held in a horizontal position by three vertical springs as in Figure P8.75. The two lower springs are compressed and exert upward forces on the bar of magnitude F1 5 6.80 N and F2 5 9.50 N, respectively. Find (a) the force Fs exerted by the top spring on the bar, and (b) the location x of the upper spring that will keep the bar in equilibrium.
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