A body of mass 120g placed at the 10cm mark on ... - WAEC Physics 2011 Question
A body of mass 120g placed at the 10cm mark on a uniform metre rule makes the rule settle horizontally on a fulcrum places at 35cm mark. Calculate the mass of the rule
A
60g
B
80g
C
120g
D
200g
correct option: d
m = \(\frac{25 \times 120}{15}\)
= 200g
= 200g
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