17. The maximum force that can be exerted by the surface must be less than μsFNor else the block will not follow the surface in its motion. Here, μsis the coefficient of static friction and FNis the normal force exerted by the surface on the block. Since the block does not accelerate vertically, we know that FN= mg, where mis the mass of the block. If the block follows the table and moves in simple harmonic motion, the magnitude of the maximum force exerted on it is given by F= mam= mω2xm= m(2πf)2xm,whereamis the magnitude of the maximum acceleration,
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.