103. (a) The box doesn’t move until t= 2.8 s, which is when the applied force GFreaches a magnitude of F= (1.8)(2.8) = 5.0 N, implying therefore that fs, max= 5.0 N. Analysis of the vertical forces on the block leads to the observation that the normal force magnitude equals the weight
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.