Gujarat BoardEnglish MediumSTD 8ScienceFriction3 Marks
Question
Differentiate sliding friction and rolling friction.
✓
Answer
The differences between Sliding and Rolling friction are: Sliding Friction:
$a.$ It is the friction acting on the plane surfaces or straight surfaces.
$b.$ The motion of the body is accompanied by rubbing of surfaces.
$c.$ Large amount of work is done. Rolling friction:
$a.$ It is the friction acting on round objects like wheels which then acts on the body.
$b.$ The motion is accompanied by changing the area of contact of the wheels.
$c.$ Small amount of work is done.
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