Give scientific reason - travellers bag have wheels
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17
Answer:
1. Since luggage has to move here and there,so to reduce the friction luggage has wheels.It reduces the contact area making more easy to move. 2. Aeroplane has also a streamlined shape to reduce the friction produced by air.
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Answered by
1
Answer: Traveller's bags have wheels so that it can be dragged easily because of reduce friction between the ground and the wheel
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