The 81-lb force P is applied to the 220-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.42, k = 0.30. P Answer: F= i Hk lb

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The 81-lb force P is applied to the 220-lb crate, which is stationary before the force is applied. Determine the magnitude and
direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if
to the left.
Assume μ = 0.42, k = 0.30.
P
Answer: F=
i
Hk
lb
Transcribed Image Text:The 81-lb force P is applied to the 220-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.42, k = 0.30. P Answer: F= i Hk lb
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