i am wondering if you can use rock smash outside of battle like in preavious games
no there are no bolders to smash [here][1] see in the link for the description it says it can smash boulders in each game appart from black and white that is why it became tm94 in gen 5 it had been demoted from a hm though there are certain tms that can be used outside battle like flash and dig in battle it has base 40 power and a 50% chance to lower foes def [1]: http://pokemondb.net/move/rock-smash
In white/black no .There aren't rocks.Rock smash is tm 94.You use rock smash in other games of pokemon