A pulley fixed to the ceiling carries a string with blocks of masses 
and 3
attached to its ends. The masses of string and pulley are negligible. When the system is released, the acceleration of center of mass will be
a)
Zero
b)
c)
d)
A pulley fixed to the ceiling carries a string with blocks of masses and 3 attached to its ends. The masses of string and pulley are negligible. When the system is released, the acceleration of center of mass will be
a)
Zero
b)
c)
d)
Question ID - 53088 | SaraNextGen Top Answer
A pulley fixed to the ceiling carries a string with blocks of masses and 3 attached to its ends. The masses of string and pulley are negligible. When the system is released, the acceleration of center of mass will be
a)
Zero
b)
c)
d)
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A pulley fixed to the ceiling carries a string with blocks of masses |
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a) |
Zero |
b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
Let 
be the tension in the string carrying
The masses 
Let 
be the acceleration, then
…(i)
…(ii)
Adding Eqs. (i) and (ii), we het
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127 votes
Answer Link
127