In the given figure, coefficient of friction between the 2kg and 3kg blocks are µ s = 0.3 and µ k = 0.2, between the 5kg and surface are µ s = µ k = 0.1 and between 3 kg and surface is µ s = µ k = 0, (g = 10 m/s 2 )
Column I | Column II |
(i) For F1 = 0, F2 = 15 N | [A] acceleration of all blocks will be same |
(ii) For F1 = 25/4N, F2 = 0 | [B] acceleration of any two blocks will be different |
(iii) For F1 = 8N, F2 = 10 N | [C] frictional force between 2kg and 3 kg block is less than maximum static friction |
(iv) For F1 = 16 N, F2 = 9 N | [D] contact force between 3kg and 5kg block is less than 10 N |
Text Solution
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(i)-[A], [C], (ii)-[A], [D], (iii)-[A], [C], (iv)-[B]
Sol. (i) Acceleration of all blocks will be same, frictional force between 2kg and 3 kg block is less than maximum static friction
(ii) Acceleration of all blocks will be same, contact force between 3kg and 5kg block is less than 10 N
(iii) Acceleration of all blocks will be same, frictional force between 2kg and 3 kg block is less than maximum static friction
(iv) Acceleration of any two blocks will be different
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