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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 11 - Rotational Motion > The motion of a sphere moving on a rough horizontal surface changes from pure sliding (without rolling) to pure rolling (without slipping). In this process, the force of friction (i) initially acts opposite to the direction of motion and late in the direction of motion (ii) cause linear retardation (iii) causes angular acceleration (iv) stops acting when pure rolling begins

The motion of a sphere moving on a rough horizontal surface changes from pure sliding (without rolling) to pure rolling (without slipping). In this process, the force of friction (i) initially acts opposite to the direction of motion and late in the direction of motion (ii) cause linear retardation (iii) causes angular acceleration (iv) stops acting when pure rolling begins

A solid sphere a hollow sphere and a disc same mass and radius are placed at the top of an incline and released. Least time will be taken in reaching the bottom by The motion of a sphere moving on a rough horizontal surface changes from pure sliding (without rolling) to pure rolling (without slipping). In this process