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A2 Mechanics ladder problem help
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I would appreciate if anyone could help with this it really feels like the question doesn't have enough information
A non-uniform rod, AB, of mass m and length 2l, rests in equilibrium with one end A on a rough horizontal floor and the other end B against a rough vertical wall. The rod is in a vertical plane perpendicular to the wall and makes an angle of 60° with the floor as shown in Figure 1.
The coefficient of friction between the rod and the floor is 1/4 and the coefficient of friction between the rod and the wall is 2/3 . The rod is on the point of slipping at both ends.
(a) Find the magnitude of the vertical component of the force exerted on the rod by the floor.
A non-uniform rod, AB, of mass m and length 2l, rests in equilibrium with one end A on a rough horizontal floor and the other end B against a rough vertical wall. The rod is in a vertical plane perpendicular to the wall and makes an angle of 60° with the floor as shown in Figure 1.
The coefficient of friction between the rod and the floor is 1/4 and the coefficient of friction between the rod and the wall is 2/3 . The rod is on the point of slipping at both ends.
(a) Find the magnitude of the vertical component of the force exerted on the rod by the floor.
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(Original post by Haywood1743)
I would appreciate if anyone could help with this it really feels like the question doesn't have enough information
A non-uniform rod, AB, of mass m and length 2l, rests in equilibrium with one end A on a rough horizontal floor and the other end B against a rough vertical wall. The rod is in a vertical plane perpendicular to the wall and makes an angle of 60° with the floor as shown in Figure 1.
The coefficient of friction between the rod and the floor is 1/4 and the coefficient of friction between the rod and the wall is 2/3 . The rod is on the point of slipping at both ends.
(a) Find the magnitude of the vertical component of the force exerted on the rod by the floor.
I would appreciate if anyone could help with this it really feels like the question doesn't have enough information
A non-uniform rod, AB, of mass m and length 2l, rests in equilibrium with one end A on a rough horizontal floor and the other end B against a rough vertical wall. The rod is in a vertical plane perpendicular to the wall and makes an angle of 60° with the floor as shown in Figure 1.
The coefficient of friction between the rod and the floor is 1/4 and the coefficient of friction between the rod and the wall is 2/3 . The rod is on the point of slipping at both ends.
(a) Find the magnitude of the vertical component of the force exerted on the rod by the floor.
List how many unknowns you have and hopefully the number of equations should match. Work out which ones you need for a)
Last edited by mqb2766; 1 month ago
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