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प्रश्न
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
विकल्प
balanced forces act on the balloon
unbalanced forces act on the balloon
frictional forces act on the balloon
gravitational forces act o the balloon
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उत्तर
balanced forces act on the balloon.
Balanced forces are responsible for bringing about a change in the shape of an object.
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