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An engine pulls a train over 5 km of dis...

An engine pulls a train over 5 km of distance by applying a force of `5xx10^6` Newton. Calculate the work done by it .

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`W=Fs, F=5xx10^6 N,s=5 km
W=5xx10^6Nxx5000m=2.5xx10^10 N.m
2.5xx10^10` joule.
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