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A student tries to raise a chain consist...

A student tries to raise a chain consisting of three identical links. Each link has a mass of `300 gm`. The three piece chain is connected to a string and suspended vertically, while the student holding the upper end of he string, pulling it upward. Beacause of the student's pull an upwards force of `12 N` is applied to the chain by the string. `(g = 10 m//s^(2))`

The force exerted by the top link on the middle link.

A

4N

B

8N

C

12 N

D

3 N

Text Solution

Verified by Experts

The correct Answer is:
B

`12 - 0.3 xx 10 - T = 0.3 xx 3.33`
`T = 8 N`
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