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O is a point at the bottom of a rough pl...

O is a point at the bottom of a rough plane inclined at an angle `alpha` to horizontal Coefficient of friciton between AB is `(tan alpha)/(2)` and between BO is `(3 tan alpha)/(2)B` is the middle point of AO, A block if released from rest at A, then which of the following graphs are correct :

A

B

C

D

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The correct Answer is:
b,c
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O is a point at the bottom of a rough plane inclined at an angle alpha to the horizontal. Coefficient of friction between AB is (Tanalpha)/(2) and between BO is (3Tanalpha)/(2) . B is the mid–point of AO . A block is released from rest at A. Then identify which graphs are correct during motion of block from point A to O taking direction down the incline plane as positive (sinalpha=1//5) :

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consider the situation shown in figure in which a block 'A' of mass 2 kg is placed over a biock.'B' of mass 4 kg. The combination of the blocks are placed on a inclined plane of inclination 37^(@) with horizontal. The coefficient of friction between block B and inclined plane is mu_(2) and in between the two, blocks is mu_(1) . The system is released from rest. ("Take "g=10m//sec^(2)) The frictional force acting between the blocks in the previous case will be:

ANURAG MISHRA-FORCE ANALYSIS-Level-2
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  2. In the shown diagram m(1)=m(2)=4kg and m(3)=2 kg. Coefficient of frict...

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  3. O is a point at the bottom of a rough plane inclined at an angle alpha...

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  4. In above question 37 :

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  5. The friction coefficient between the plank and floor is mu. The man ap...

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  8. In the shown diagram friction exits at each contact surface with coeff...

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