The diagram above illustrates a uniform metre rule which is balanced on a pivot by some masses. Calculate the value of M
- 500.0g
- 400.0g
- 44.4g
-
25.0g
The correct answer is: D
Explanation
clockwise moment = Anti-clock wise moment= M x 40 = 100 x 10
M = \(\frac{1000}{40}\)
= 25g