If we want to find acceleration of tràin thàn we should add the mass

1.	If we want to find acceleration of tràin thàn we should add the mass of engine ?explain
Answer» A=net force÷m1+m2 Yes but in NCERT this is done with wrong method. But in new edition method is now right . If you had a book of new edition you can check ythe answere on the backside

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