Question

A coolie lifts aloggage of 15 kg from the ground and put it on its at 1.5 meter above the ground calculate the work done by him on the luggage

Answer 1

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Given :

Mass of buggage (m) = 15kg

Displacement (s) = 1.5m

So , Work done (w) = F × s

(w) = mg × s

(w) = 15kg × 10m/s² × 1.5m

(w) = 15kg × 15m²/s²

(w) = 225kg m²/s²

(w) = 225Nm

(w) = 225 J