A steel ring of radius 
and cross-section area 
is fitted on to a wooden disc of radius 
. If Young’s modulus be 
, then the force with which the steel ring is expanded is
a)
b)
c)
d)
A steel ring of radius and cross-section area is fitted on to a wooden disc of radius . If Young’s modulus be , then the force with which the steel ring is expanded is
a)
b)
c)
d)
Question ID - 56628 | SaraNextGen Top Answer
A steel ring of radius and cross-section area is fitted on to a wooden disc of radius . If Young’s modulus be , then the force with which the steel ring is expanded is
a)
b)
c)
d)
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A steel ring of radius |
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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 : (b) -
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(b) Initial length (circumference) of the ring Final length (circumference) of the ring Change in length
Now Young’s modulus
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127 votes
Answer Link
127