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 $2 m / s^{2}$ . The spring balance will now record a weight of

24 N

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25 N

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26 N

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27 N

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Solution

The correct option is B
25 N

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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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 $2 m / s^{2}$ . The spring balance will now record a weight of

Q. A bird is sitting in a large closed cage which is placed on a spring balance. It records a weight of

25 N

. The bird (mass =

0.5 k g

) flies upward in the cage with an acceleration of

2 m / s^{2}

. The spring balance will now record a weight of:

A bird is sitting in a large closed cage which is placed on a spring balance. It records a weight of 25 N. The bird (mass m = 0.5 kg) flies upward in the cage with an acceleration of 2 $m / s^{2}$ . The spring balance will now record a weight of

Q. A bird is sitting in a wire cage hanging from the spring balance. Let the reading of the spring balance be

a

. If the bird flies about inside the cage, the reading of the spring balance is

b

. Which of the following is true?

A spring balance records a weight of one kg when a body is suspended from it. When the body is fully immersed inaliquid ,the reading recorded by the spring balance is zero.What is the apparent density of the body ?

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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

The correct option is B 25 N 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.

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 $2 m / s^{2}$ . The spring balance will now record a weight of

The correct option is B
25 N

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.