Q. Brakes are self energizing when____. (Solved)
1. frictional torque assists the applied torque
2. frictional torque opposes the applied torque
3. frictional torque vanishes
4. none of the above
- b. frictional torque opposes the applied torque
1. frictional torque assists the applied torque
2. frictional torque opposes the applied torque
3. frictional torque vanishes
4. none of the above