If linear density of a rod of length 3 m varies as 
=2+
, then the position of the centre of gravity of the rod is
a)
b)
c)
d)
If linear density of a rod of length 3 m varies as =2+ , then the position of the centre of gravity of the rod is
a)
b)
c)
d)
Question ID - 53073 | SaraNextGen Top Answer
If linear density of a rod of length 3 m varies as =2+ , then the position of the centre of gravity of the rod is
a)
b)
c)
d)
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If linear density of a rod of length 3 m varies as |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
Let rod is placed along 
-axis. Mass of element 
of length 
situated at 
is
.png)
The CM of the element has coordinates (
, 0, 0).
Therefore, 
-coordinates of CM of the rod will be
m
127 votes
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127