Question

Which of the following has the least friction
1) sliding friction 2) rolling friction 3) composit friction 4) static friction

Answer 1

Explanation:

the least friction is rolling friction

Answer 2

The least friction is produced by rolling friction:

Explanation:

• The minimum amount of friction is produced by the the object which have smooth surfaces such as rolling bodies
• Rolling friction occurs between objects like a ball , a wheel, or if a cylinder rolls freely over a surface, as in roller bearings.
• The major source of friction in rolling is friction to be dissipation of power involved in deformation of the objects that are sliding friction mainly.
• When compared of static friction rolling friction is less.

Correct answer is Rolling Friction.