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A uniform rod KJ of weight w shown in the figure rests against a frictionless vertical wall at the point K and a rough horizontal surface at point J, It is given that w= 10 kN, a = 4 in and b = 3 m.
The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)
The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)
Correct answer is between '0.350,0.400'. Can you explain this answer?
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Verified Answer
A uniform rod KJ of weight w shown in the figure rests against a frict...
Free body diagram:
Given: w = 10kN
∴ KO = OJ = 2.5 m, WO' = 2.5cosθ
For equilibrium,
⇒
i.e. N1 = Fs
⇒
i.e. N2 = w
For equilibrium,
w x 2.5cosθ+ Fs(4) = N2 x 3
∵ cos θ = 3/5 and N2 = W = 10 kN
∴
∴ Fs = 15/4 kN
We know that
∴ (μ)min = 0.375
Given: w = 10kN
∴ KO = OJ = 2.5 m, WO' = 2.5cosθ
For equilibrium,
⇒
i.e. N1 = Fs ⇒
i.e. N2 = wFor equilibrium,
w x 2.5cosθ+ Fs(4) = N2 x 3
∵ cos θ = 3/5 and N2 = W = 10 kN
∴
∴ Fs = 15/4 kN
We know that
∴ (μ)min = 0.375
Most Upvoted Answer
A uniform rod KJ of weight w shown in the figure rests against a frict...
Free body diagram:
Given: w = 10kN
∴ KO = OJ = 2.5 m, WO' = 2.5cosθ
For equilibrium,
⇒ i.e. N1 = Fs
⇒ i.e. N2 = w
For equilibrium,
w x 2.5cosθ+ Fs(4) = N2 x 3
∵ cos θ = 3/5 and N2 = W = 10 kN
∴
∴ Fs = 15/4 kN
We know that
∴ (μ)min = 0.375
Given: w = 10kN
∴ KO = OJ = 2.5 m, WO' = 2.5cosθ
For equilibrium,
⇒
i.e. N1 = Fs ⇒
i.e. N2 = wFor equilibrium,
w x 2.5cosθ+ Fs(4) = N2 x 3
∵ cos θ = 3/5 and N2 = W = 10 kN
∴
∴ Fs = 15/4 kN
We know that
∴ (μ)min = 0.375
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A uniform rod KJ of weight w shown in the figure rests against a frictionless vertical wall at the point K and a rough horizontal surface at point J, It is given that w= 10 kN, a = 4 in and b = 3 m.The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)Correct answer is between '0.350,0.400'. Can you explain this answer?
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A uniform rod KJ of weight w shown in the figure rests against a frictionless vertical wall at the point K and a rough horizontal surface at point J, It is given that w= 10 kN, a = 4 in and b = 3 m.The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)Correct answer is between '0.350,0.400'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A uniform rod KJ of weight w shown in the figure rests against a frictionless vertical wall at the point K and a rough horizontal surface at point J, It is given that w= 10 kN, a = 4 in and b = 3 m.The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)Correct answer is between '0.350,0.400'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A uniform rod KJ of weight w shown in the figure rests against a frictionless vertical wall at the point K and a rough horizontal surface at point J, It is given that w= 10 kN, a = 4 in and b = 3 m.The minimum coefficient of static friction that is required at the point J to hold the rod in equilibrium is__________ . (round off to three decimal places)Correct answer is between '0.350,0.400'. Can you explain this answer?.
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