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A bird is in a wire cage hanging from a spring balance.The reading of the balance is taken when the bird is flyingabout in the cage, and when the bird is at rest in the cage. The first reading will be pess than the second.WHY

Answer» A bird is in a wire cage hanging from a spring balance.The reading of the balance is taken when the bird is flyingabout in the cage, and when the bird is at rest in the cage. The first reading will be pess than the second.WHY


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