Question

why is it preferable to roll an object than to slide it

Answer 1

because when an object is rolling, rolling friction acts which is less than kinetic friction which acts when a body slides.

Hope u got that

Answer 2

Answer:

It is preferable to roll and objects than to slide it because when an object is rolled, rolling friction acts which utilizes less energy in comparison to Kinetic / sliding friction which acts when a body slides.

Explanation:

Hope this help's you!