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The weight of an empty balloon on a spring balance is W1, The weight becomes W2 when the balloon is filled with air. Let the weight of air itself be W. Neglect the thickness of balloon when it is filled with air. Also neglect the difference the density of air inside and outside the balloon.

(a)

W2 < W1 + W

(b)

W2 = W1 + W

(c)

W2 > W1 + W

(d)

W2 < W1


Question ID - 152071 | Toppr Answer

The weight of an empty balloon on a spring balance is W1, The weight becomes W2 when the balloon is filled with air. Let the weight of air itself be W. Neglect the thickness of balloon when it is filled with air. Also neglect the difference the density of air inside and outside the balloon.

(a)

W2 < W1 + W

(b)

W2 = W1 + W

(c)

W2 > W1 + W

(d)

W2 < W1

1 Answer - 5876 Votes

3537

Answer Key : (a) -

W2 < W1 + W



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