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Question
A stretching force of 5 N is applied at one end of a spring balance and an equal stretching force is applied at the other end at the same time. The reading on the balance will be ______.
Options
5 N
10 N
2.5 N
zero
MCQ
Fill in the Blanks
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Solution
A stretching force of 5 N is applied at one end of a spring balance and an equal stretching force is applied at the other end at the same time. The reading on the balance will be 5 N.
Explanation:
A spring balance measures the tension in the spring, not the sum of the forces. When equal and opposite forces of 5 N act at both ends, the tension in the spring is 5 N.
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