1 hour 55 min

1. Pulley wedge constraints -i ,
1 hour 6 min

2. pulley wedge Constraints -ii,
1 hour 54 min

3. wedge & pulley constraints -iii
1 hour 51 min

4. pulley wedge constraints-iv
1 hour 55 min

5. Pulley Wedge Constraints-v
1 hour 49 min

6. Numericals on wedge constraints
2 hour 0 min