Question

When does an object hung to a
spring balance become still ?

a. when the tension in the spring and
magnetic pull on the object becomes
less, the object becomes still
b. when the tension in the spring and
gravitational pull on the object becomes
equal, the object becomes still






Please answer this and no spamming or else will report
when the tension in the spring and
c. gravitational pull on the object becomes
less, the object becomes still​

Answer 1

Spring balance reads the net force acting on it by the suspended object. While free falling the object is accelerating with acceleration g m/s-2 . With respect to the spring a pseudo force acts on the object which is equal to mg opposite to the weight of the body. The pseudo force balances the weight of the body and the body does not exert any force on the spring. Thus the spring reading will be zero.

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