5 Fig. 5 shows blocks of mass 4 kg and 6 kg on a smooth horizontal table. They are connected by a light, inextensible string. As shown, a horizontal force \(F \mathrm {~N}\) acts on the 4 kg block and a horizontal force of 30 N acts on the 6 kg block.
The magnitude of the acceleration of the system is \(2 \mathrm {~ms} ^ { - 2 }\).
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\caption{Fig. 5}
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- Find the two possible values of \(F\).
- Find the tension in the string in each case.