Question

A person with a spring balance with a body hanging from it goes up in an aeroplane, then the reading of the weight of the body as indicated by the spring balance will ___________

(a) Go on increasing

(b) Go on decreasing

(c) First increases and then decreases

(d) Remains the same

The question was asked during a job interview.

This interesting question is from Acceleration in portion Laws of Motion of Engineering Physics I

Answer 1

The correct answer is (b) Go on decreasing

To explain I would say: As the person goes above the earth’s surface, the value of g decrease. Hence the reading in the spring balance will go on decreasing.