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प्रश्न
One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.

(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle.
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उत्तर

(i) F’ in the fig. shows the direction of restoring force.
(ii) Spring balance.
संबंधित प्रश्न
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or
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