The rock-based reinforced concrete base slab is anchored with steel to the rock according to the attached picture. The edge distance of the steel anchor is c. The foundation slab is affected by two point loads F and G, the latter of which includes the structure's own weight. Determine the symbolic expression of the anchor prestressing force P such that the sliding safety condition is fulfilled. The safety factor against sliding is n=1,5 G b/2 b/2 K The sliding safety condition is F G b C h (kN) (kN) (m) (m) (m) V Tuz 11 H 300 140 3 0.15 1.2 0.77 h