ROLLING FRICTION

Pure Rolling || Friction

Assertion: It is difficult to move a heavy box by sliding whereas it becomes easier to move the same box when rollers are placed under it. Reason: F_("rolling")ltF_("sliding")ltF_("limitting static") (Rolling friction lt Sliding friction lt limmiting static friction.

Examples on rotation & rolling||Friction in rolling motion||Concept OF β||Examples on concept OF β

Direction OF friction in rolling motion

Four children were asked to arrange forces due to rolling, static and sliding friction in a dreasing order. The correct arrangement is :

Assertion: When a body accelerates down an incline rolling purely. Static friction force acts on the body. Reason: Point of contact of the body with incline remains at rest.