Question

A meter rule of mass 100g balance at 40cm mark when a mass X is placed at 20cm mark what is the value of x

Answer 1

[AI-generated answer — Bot]

The value of X is 50g.

Answer 2

100 grams (mass of rule) at 50 cm , 10 cm right of balance

x grams at 20 cm , 20 cm left of balance
so
100 * 10 = x * 20
x = 50 grams