Referring to the figure shown, the 50-lb box is at rest before the force F(t) = 5 + 2t pounds is applied at t = Oos. Assume that the box is wide enough to not tip over. The coefficient of friction between box and floor is 0.2. find the following: a. The velocity of the box at t = 10 s if 8 = 0°; b. The velocity of the box at t = 10 s if 0 = 30°; F() ft/s ft/s
Referring to the figure shown, the 50-lb box is at rest before the force F(t) = 5 + 2t pounds is applied at t = Oos. Assume that the box is wide enough to not tip over. The coefficient of friction between box and floor is 0.2. find the following: a. The velocity of the box at t = 10 s if 8 = 0°; b. The velocity of the box at t = 10 s if 0 = 30°; F() ft/s ft/s
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Referring to the figure shown, the 50-lb box is at rest
before the force F(t) = 5 + 2t pounds is applied at t =
Os. Assume that the box is wide enough to not tip over.
The coefficient of friction between box and floor is 0.2.
find the following:
a. The velocity of the box at t = 10 s if 0 = 0°;
b. The velocity of the box at t = 10 s if 0 = 30°;
F(t)
ft/s
ft/s
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