Question

9. Why would you not like to use a measuring tape made of an elastic material like
rubber to measure distance? What would be some of the problems you would
meet in telling someone about a distance you measured with such a tape?
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Answer 1

Answer:

An elastic measuring tape gives incorrect length of the distance between two points.

Reasons :

(i) The length of the elastic tape varies and depends upon the force by which it is stretched.

(ii) Measurement would vary between 2 or 3 readings even when measured by the same person and by the same elastic tape.

(iii) Measurement would also vary if different persons measure the same distance.