(33%) Problem 3: A uniformly dense 3.5 kg rod with a length L :: 2 m...

Question

Question

Answer 1

Answer #1

Elemental max = 3.5/2 dx = 1.75 dx

dF = (1.75 dx) (3 x 10^-9)x^2

=(5. 25 x 10^-9)x^2 dx

F = lim(0->2)(5.25 x 10^-9)(x^3/3)

F = (5.25 x 10^-9)(8/3)

F = 1.4 x 10^-8 = 14 nN

Answer 2

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