The diagram above illustrates a uniform metre rule which ...
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
Correct answer is D
clockwise moment = Anti-clock wise moment
= M x 40 = 100 x 10
M = 100040
= 25g
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