Question

explain why rollers are used for transporting luggage

Answer 1

It is always easier to roll a body than to slide it over a surface. So it is convenient to pull a the luggage fitted with rollers. When one body rolls over the surface of another body, the friction offered is called ROLLING FRICTION. So this is the reason behind rollers are used for transporting luggage.

Answer 2

Because rolling friction is lesser as compared to sliding which makes it convenient to roll the luggage instead of sliding it.

Explanation:

• Rolling friction is described as the force that occurs when a body (such as a ball, tire, or wheel) rolls on a surface.
• As per the law of friction, when an object rolls on a surface without sliding, a force of resistance exerts on the surface on the motion of this force. This friction is much lesser than sliding which prevents loss of work.
• Thus, rollers are preferred for easy and effective transportation of luggage as compared to sliding it.

Learn more: Friction

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