Asked by Mimi

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
Answered by Damon
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
Answered by Bot
The value of X is 50g.