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A Level Mechanics/Statics Question

Here we go :

Two uniform rods AB and CD, each of length 6a and mass m are freely hinged together at H where AH = CH = 2a. The rods rest in equilibrium with A and C on a rough horizontal table and at a distance 2a apart. Particles of mass 5m and 4m are suspended from B and D respectively. The coefficient of friction between each rod and the table is μ.

Find the least possible value of μ.
Anyone
Will do it tonight during prep time
Original post by SamLLLLiu
Will do it tonight during prep time


Solved it already though thanks mate. Never realised 'till now the coefficient of friction can exceed 1!
Original post by MathsAstronomy12
Solved it already though thanks mate. Never realised 'till now the coefficient of friction can exceed 1!


Don't think it can........probably because you looked at the total friction at the to contact points
Original post by SamLLLLiu
Don't think it can........probably because you looked at the total friction at the to contact points


Nah the answer was 1.8 something can't remember but over 1
Original post by MathsAstronomy12
Nah the answer was 1.8 something can't remember but over 1


Really hahah.......it's as if the air is the real resistive force😂
hey man can you please show me the solution to this
hey man can u please show me the solution. 7 years too late but hoping you still know how to solve it
Original post by TheFarmerLad
Nah the answer was 1.8 something can't remember but over 1


Original post by TheFarmerLad
Here we go :

Two uniform rods AB and CD, each of length 6a and mass m are freely hinged together at H where AH = CH = 2a. The rods rest in equilibrium with A and C on a rough horizontal table and at a distance 2a apart. Particles of mass 5m and 4m are suspended from B and D respectively. The coefficient of friction between each rod and the table is μ.

Find the least possible value of μ.

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