A metre stick of mass 
is pivoted at one end and displaced through an angle 
. The increase in its potential energy is
a)
b)
c)
d)
A metre stick of mass is pivoted at one end and displaced through an angle . The increase in its potential energy is
a)
b)
c)
d)
Question ID - 52968 | SaraNextGen Top Answer
A metre stick of mass is pivoted at one end and displaced through an angle . The increase in its potential energy is
a)
b)
c)
d)
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A metre stick of mass |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
Centre of mass of a stick lies at the mid point and when the stick is displaced through an angle 
it rises upto height 
from the initial position
.png)
From the figure 
Hence the increment in potential energy of the stick 
127 votes
Answer Link
127