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A metal sphere is hung by a string fixed...

A metal sphere is hung by a string fixed to a wall. The forces acting on the sphere are shown in figure. Which of the following statement is/are wrong ?

A

`T^(2) = N^(2)+W^(2)`

B

`T = N+W`

C

`vec(N) +vec(T) + vec(W) = 0`

D

`N = W tan theta`

Text Solution

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The correct Answer is:
b
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