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NEET 2020 Model Question Paper 2

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Question : 7

Total: 180

Block A of mass 30 kg. is resting on a frictionless floor. Another block B of mass 5 kg is resting on it as shown in the figure. The coefficient of static friction between the blocks is 0.4 while kinetic friction is 0.3. If a horizontal force of 175 N is applied to block B, then the acceleration of the block A will be (g = 10 m/s2 ) :-

0.5 m/s2
0.67 m/s2
5 m/s2
10 m/s2

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