Question

Explain why
(a) rollers are used for transporting luggage.
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Answer 1

Answer:

because it is easy to use it

Answer 2

Answer:

it is easy to roll a body over a surface then to slide it over any surface...because the friction involved during rolling any body is rolling friction which is less than the sliding friction which makes easy to roll the body over any surface so always rollers are preferred for transporting luggage.....

Explanation:

hope u get it....