Question

what is the 10 example of benifit of friction
what is the 10 example of benifit of gravity

Answer 1

i dont want to say you

Answer 2

Friction will bring numerous advantages.

When it comes to static friction, it prevents slipping.  

On the other hand, the sliding friction can stops a vehicle.

The rolling friction keeps the vehicles moving.  

The fluid friction makes the planes and parachutes fly.  

Without gravity, the world does not run.   The main advantage of gravity is that it allows us to exist.