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80 railway wagons all of same mass 5xx10...

80 railway wagons all of same mass `5xx10^3` kg are pulled by an engine with a force of `4xx10^5 N` . The tension in the coupling between `30^(th) and 31^(st)` wagon from the engine is

A

`400xx10^(4)N`

B

`32xx10^(4)N`

C

`20xx10^(4)N`

D

`25xx10^(4)N`

Text Solution

Verified by Experts

The correct Answer is:
D
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ALLEN-RACE-Basic Maths (NEWTONS LAWS OF MOTION)
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