​A uniform metre scale is in equilibrium position at 30 cm mark.a weight of 40 gramforce is suspended from 5cm mark.total length of metre rule is 100 cm, Calculate the mass of the ruler. 

Dear Student,
refer to the link below for the answer to a similar query,
https://www.meritnation.com/ask-answer/question/no-links-please/current-electricity/11691155 
Regards

  • -14
What are you looking for?