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A planet of radius R=1/10xx(radius of ea...

A planet of radius `R=1/10xx`(radius of earth) has the same mass density as earth scientists dig a well of depth R/5 on it and lower a wire of the same length and of linear mass density `10^(-3)kgm^(-1)` into it.if the wire is not touching anywhere the force applied at the top of the wire by a person noiding it in place is (take the radius of earth=`6xx10^6`m and the acceleration due to gravity on earth is `10ms^(-2)`

A

96N

B

108N

C

120N

D

150N

Text Solution

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The correct Answer is:
B
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