A uniform metre rule is balanced by a 4 N weight as shown in the diagram.
Hocm
0
50 cm
100 cm
f
-pivot
Y
4N
What is the weight W of the metre rule?
A 1N
B
4N
C 16N
D 40 N
is
wable sourd
of
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Answer:
donkt nlknow sorry
Explanation:
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