Question

A uniform metre rule balances horizontally on a knife
edge placed at the 58 cm mark when a weight of
100 gf is suspended from one end.
(i) Draw a diagram of the arrangement.
(ii) What is the weight of the rule ?​

Answer 1

Explanation:

Let weight of rule be m g

Anticlockwise moment = Clockwise moment

(58-50)*100=50*m

800=50*m

m= 16g