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Q. A bird weighing 1 kg sitting on the base of a wire mesh cage weighing 1.5 kg. The bird starts flying in the cage. The weight of the bird cage assembly will be

Rajasthan PMTRajasthan PMT 2009Gravitation

Solution:

When bird starts flying in the cage, the weight of the bird is not measured. Therefore, weight of the bird cage assembly is now $ 1.5\,\,kg $ or $ 1500\,\,g $ .