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A small child of mass 32 kg is sitting on a playground swing. The child's centre...

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A small child of mass 32 kg is sitting on a playground swing. The child's centre of mass is 2.2 metres from the pivot point of the swing. If the child is pushed by an adult applying 80 N of force as shown in the diagram, what torque will be applied to the child?

Assume the pushing action is perpendicular to the chain, that the chain remains taut, and that the force is applied instantaneously. Give your answer in N.m to the nearest whole number.

 

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