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A bird is flying in a wire cage hung fro...

A bird is flying in a wire cage hung from a spring balance. Reading `R_1` of the spring balance is recorded in this case. Reading`R_2` is taken when the bird sits at rest in the case. The `R_1` will be

A

much more than `R_2`

B

more than `R_2`

C

less than `R_2`

D

same as than `R_2`.

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