Question

When two spring balances joined at their free ends, are pulled apart, both show the same reading. Explain

ICSE Class 9 Physics Chapter Newton's Law of Motion

Answer 1

when two spring balances joined at their free ends and when pulled apart, both show the same reading because of newton's third law of motion.

For understanding this question u have to know first what is third law of motion.

Third law of motion states that "When one object applies a force on another object, the second object instantaneously applies a force back on the one".

so, when we pull apart the first exert a force on another then second object applies equal force on the one.

i hope it helps :)

Answer 2

Answer:The spring balance A pulls the spring balance B due to whichever get some reading in balance B

The same reading us seen in balance A because the spring of balance B also pulls the spring of Nance A by same force

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Explanation:

This demonstrate that to everyone action there is an equal and opposite reaction in Magnitude Fab=Fba they are in opposite directions