Q.4) A) Give scientific reason.
Traveller's bags have wheels.
Ans. :
Answers
Answered by
3
Answer:
it is easy to rove a lugguge by travelling to a place
Answered by
3
Answer:
Generally all travelling bags have wheels because its become easy to move the bag .
Explanation:
Due to wheels attached to the bag friction is getting low .We all know that Friction is a surface phenomenon and by attaching wheels we are compressing the lubricants which are present on surface .
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