in first situation block is pulled with force F . in second situation we have the same block with the same force F but under angel 60 degrees. it is possible that in both situation motion is uniform. ?? (we have friction) so imo it isn't possible because The block is in the both situation in motion, so we have kinetic friction and it's depends on a gravitacion force, so in both situation should be the same. My thought is correct or no? somebody could give me an answer ?