Wiredfaculty Logo

For Daily Free Study Material Join wiredfaculty Whatsapp Group | Download Android App | Ncert Book Download

Good Evening
20:32 pm

Sponsor Area

Add Your Answer

Sponsor Area

Question is

Explain why friction is necessary to make the disc in Fig. 7.41 roll in the direction indicated.

(a) Give the direction of frictional force at B, and the sense of frictional torque, before perfect rolling begins.

(b) What is the force of friction after perfect rolling begins?

Mock Test Series

Sponsor Area

Sponsor Area

NCERT Book Store

NCERT Sample Papers

Entrance Exams Preparation