Hi ebabil,
when you are trying to taxi, you have to keep in mind a few things:
1. It is not a car you are handling here, do it behaves different:
-> when starting to taxi , apply just a bit of aviable thrust and wait until the airplane starts to move slowly(this will take 2-3sec.), it will then speed up without additional thrust.
2. steer carefully: When you have nose wheel steering enabled (green light under the scratchpad) you have to steer the aircraft very careful by slowly applying rudder, otherwise there is the possibility of the aircraft tipping over to one side ore tires deflating- also try not to leave the paved surfaces because the A10 is not built for "soft" surfaces