A roller of mass 600 kg is dragged by a ...

A roller of mass 600 kg is dragged by a light horizontal chain to a tractor of mass 1200kg. The opposing force of friction exerted by the ground is 800N. If the system has a forward acceleration of `2ms^-2` , calculate (i) the horizontal forward reaction of the ground on the tractor and (ii) the tension in the chain.

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