ch05-p073 - 73 Although the full specification of Fnet = ma...

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note that a y = 0 so that there is no ambiguity denoting a x simply as a . We choose + x to the right and + y up. We also note that the x component of the rope’s tension (acting on the crate) is F x = F cos θ = (450 N) cos 38° = 355 N, and the resistive force (pointing in the – x direction) has magnitude f = 125 N. (a) Newton’s second law leads to 2 355 N 125 N 0.74m/s . 310 kg x Ffm a a −= ¡ ==
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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.

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