Question

2. It is easier to pull a suitcase that has wheels rather than a
suitcase without wheels.please fast​

Answer 1

Answer:

It is easier to pull a suit case with rollers because rolling friction is convenient than sliding friction. the surface in contact is very less and also constantly changing so the fiction is less.

Answer 2

Answer:It is easier to pull a suitcase having wheels, because the ball barerings roll and reduces the friction.