Question

Uniform metre rod is balanced
 at the 70 cm by suspending a weight of 50 gf at the 40 cm mark and 200 gf at the 90
cm mark draw a diagram of the arrangement and calculate the weight of rod.​

Answer 1

Answer:

whenever the weight of ruler is asked take the weight of ruler (X) multiplied by distance of fulcrum from its actual centre i.e 50cm

there is mistake in writing the values taken on left hand side are for anti clockwise while on right side is for clock wise