Question

explain rolling friction. also gives example.
appropriate answer will be be mark as brainliest. ​

Answer 1

Answer:

The force resisting the motion of a rolling body on a surface is known as rolling friction or rolling resistance. Rolling of ball or wheel on the ground is an example of Rolling friction. The other type of friction is sliding friction

Answer 2

Explanation -

Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body rolls on a surface. It is mainly caused by non-elastic effects; that is, not all the energy needed for deformation of the wheel, roadbed, etc., is recovered when the pressure is removed.

Example -

• truck tires.
• ball bearings.
• bike wheels.
• a soccer ball, basketball or baseball.
• car tires.
• skateboard tires.
• railroad steel wheels.
• a bowling ball.

Extra Info -

• Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rolling appears to be dissipation of energy involved in deformation of the objects.
• Look, friction can be broadly classified into three types, rolling, sliding, and static. The value of static friction is always the greatest among these 3. As you said, the value of Static friction may or may not be exactly 10 times of the Rolling friction, but it is always greater.

Formula -

F = CrrN

F = Force

Crr = dimensionless rolling resistance coefficient

N = Normal force