Question

Ans.(a) R: (b) QJ
31. A uniform metre rule of weight 50 gf is balanced
at 30 cm mark when weights of 80 gf and 60 gf
act at 5 cm mark and 45 cm mark, respectively.
What force must be applied at 40 cm mark to
balance the metre rule?
[Ans 10 g)​

Answer 1

Answer:

idk

Explanation:

don't have one