B се 450 In Fig. 2, the partioles A and B, of mass 8 kg and 6 kg respectively, are connected by a light inextensible string which passes over a smooth pulley fixed at C. A lies on a rough horizontal plane and B lies on a smooth plane inclined at 45° to the horizontal. The coefficient of friction between A and the plane is u. The system is in limiting equilibrium. Find the value of H Given that Bis replaced with another particle of mass 8 kg, find (a) the acceleration of the system, (b) the tension in the string. Fig. 2 (Take g asi0 ms-*) ce

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Chapter1: Units, Trigonometry. And Vectors
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Answer detailly 3(ii)

3. (1) A uniform ladder AB of length 6 m and mass 2 kg rest with its upper end B against a smooth vertical wall
and the lower end A on rough horizontal ground. The ladder makes an angle of 30° with the horizontal
ground. Given that the ladder is about to slip, find the angle of friction.
(ii)
се
cek
In Fig. 2, the partiolos A and B, of mass 8 kg and 6 kg respectively, are connected by a light Inextensible
string which passes over a smooth pulley fixed at C. A lies on a rough horizontal plane and B lies on a
smooth plane inclined at 45° to the horizontal. The coefficient of friction between A and the plane is µ.
The system is in limiting equilibrium.
Find the value of µ.
Given that B is replaced with another particle of mass 8 kg, find
(a) the acceleratioön of the system,
(b) the tension in the string.
Fig. 2
(Take g así0 ms-*)
Transcribed Image Text:3. (1) A uniform ladder AB of length 6 m and mass 2 kg rest with its upper end B against a smooth vertical wall and the lower end A on rough horizontal ground. The ladder makes an angle of 30° with the horizontal ground. Given that the ladder is about to slip, find the angle of friction. (ii) се cek In Fig. 2, the partiolos A and B, of mass 8 kg and 6 kg respectively, are connected by a light Inextensible string which passes over a smooth pulley fixed at C. A lies on a rough horizontal plane and B lies on a smooth plane inclined at 45° to the horizontal. The coefficient of friction between A and the plane is µ. The system is in limiting equilibrium. Find the value of µ. Given that B is replaced with another particle of mass 8 kg, find (a) the acceleratioön of the system, (b) the tension in the string. Fig. 2 (Take g así0 ms-*)
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