d) A uniform half metre rule of mass 'm' is pivoted at 30cm mark. When a weight of 60gf is suspended from one end
of the ruler, it is found to become horizontal. Calculate the mass of the ruler.
Answers
Answered by
0
Answer:
from Equilibrium,
clockwise moment=anticlockwise moment
W×15=75×g×25
m×g×15=75×g×25
∴=
15
75×25
=125g
Explanation:
Similar questions