46 min

1. work done , work energy theorem, potential energy.
46 min

2. conservative& non conservative forces, law of conservation mechanical energy,
1 hour 50 min

3. workdone by tension, normal contact, friction,pseudoforces, radial & tangential forces;
1 hour 51 min

4. work done by tension, normalcontact, friction, pseudoforces, radial & tangential forces;
1 hour 43 min

5. work done by tension, normal contact, frction, pseudoforce, radial & Tangential forces;
52 min

6. workdone by tension, normal contact, friction, pseudoforces, radial & tangential forces;
1 hour 12 min