Two blocks of masses, M$1=4$ kg and M$2=6$ kg on a horizontal frictionless surface are connected with a string of negligible mass. A constant horizontal force F $=30$ N acts on M1 .

$($a$)$ Find the acceleration of the blocks and the tension in the string.

$($b$)$ Suppose the string connecting the blocks suddenly breaks, what would be the subsequent accelerations of M$\mathrm{1 }$and M$2?$ 

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a Acceleration and Tension with the String Intact First well find the acceleration of the system u... View the full answer