1.

80 wagons 80 Railway vacancy all of same mass 5 into 10 power 3 kg are pulled by an engine with a force of 4 into 10 power 5 Newton's the tension in the coupling between 30th and 31st vegan from the engine is

Answer»

"The MASS of each wagon = 5 * 10 ^ 3 kg

Force APPLIED on the engine = 4 * 10 ^ 5 N

The TOTAL mass of the 80 wagons = 80 * 5 * 10 ^ 3 kg

= 4 * 10 ^ 5 kg

This will convert the tension in the 1N.

"



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