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#Engineering

Two blocks (m = 0.5 kg and M = 4.5 kg ) are arranged on a horizontal frictionless table as shown in figure. The coefficient of static friction between the two blocks is $\frac{3}{7}$ . Then the maximum horizontal force that can be applied on the larger block so that the blocks move together is ________N. (Round off to the Nearest Integer) [Take g as 9.8 ms ^-2]
Option: 1 7
Option: 2 14
Option: 3 21
Option: 4 28

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Option: 1 3.75
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