Question

Why is it easier to pull luggage fitted with rollers?

Answer 1

Answer:

When one body rolls over the surface of another body, the resistance to its motion is called the rolling friction. Rolling reduces friction. It is always easier to roll than to slide a body over another. That is the reason it is convenient to pull the luggages fitted with rollers.

Answer 2

It is always easier to roll a body

than to slide it over a surface.

So it is convenient to pull a luggage fitted with

roler

1. when one body roll over the surface of another body, the friction offered is called (ROLLING FRICTION)
2. $so \: this \: is \: the \: reason \: behind \: \\ roller \: \\ are \: used \: for \: transporting \ \\ : luggage$