Question
A bird is sitting in a large closed cage which is placed on a spring balance. It records a weight placed on a spring balance, It records a weight of 25 N. The bird (mass = 0.5kg) flies upward in the cage with an acceleration of 2m/s2. The spring balance will now record a weight of
Answer: Option B
:
B
Since the cage is closed and we can treat bird cage and air as a closed (Isolated ) system. In this condition the force applied by the bird on the cage is an internal force due to this reading of spring balance will not change.
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:
B
Since the cage is closed and we can treat bird cage and air as a closed (Isolated ) system. In this condition the force applied by the bird on the cage is an internal force due to this reading of spring balance will not change.
Was this answer helpful ?
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