[tex]\fcolorbox{red}{yellow}{ANSWER } [/tex]
which of the following statement is true about rolling friction?
a. it is produced when an object is at rest
b. it is a produced when an object is moving in water
c. it is produced when an object is rolled in a surface
d. it is produced when an object rub against each other
[tex]\fcolorbox{blue}{white}{EXPLAINATION } [/tex]
Rolling friction takes place when an object rolls on the surface. Sliding friction takes place when two surfaces are rubbed against each other. Rolling friction takes place due to the deformation of surfaces. Sliding friction takes place due to interlocking between microscopic surfaces.
