a) a truck has much wider tyres why?
b) a child sitting along a swimming pool feels lighter while lowering his legs in water.why?

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Solution

Dear Student

(a) Pressure = Force /Area

A truck has much wider tyre to reduce pressure on road/mud so that it not sink on a road or mud.

(b) child sitting along a swimming pool feels lighter while lowering his legs in water becuase water applies a buoyant force in upward direction which balance child weight.

Regards

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