Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
On what force of friction depends?
Smoothness of surface
Roughness of surface
Inclination of surface
Al of above
Friction is a /an_______
Evil
Foe
Both (a) and (b)
None
Lubricants ________
Increase friction
Reduce friction
Rolling friction is smaller than?
Sliding friction
Static friction
Fluid friction
All of the above
The shape of the airplane is like a
Bird
Car
Dog
All
