In the arrangement shown, the blocks are connected by a light string and they are placed on a frictionless horizontal surface. If the $$4$$ kg block is pulled to the right by a force F, tension in the string is found to be $$20$$ N. If the $$2$$ kg block is pulled to the left by the same force F, tension in the string will be

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Infinity Learn · Accepted Answer

In both cases acceleration (a) of the system will be the same. In the first case, $$20=2$$×a and in the second case, $$T=4$$×a∴ $$T=4$$×$$202N=40$$ N

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