Men's heavy, 50 kg of mass 10 kg object, carrying them on your shoulder and walk up the footbridge across the road, which is 30 meters long, 5 meters high, find the man's job to steps Bridge objects.
Man carrying heavy 50 kg to 10 kg mass on his shoulder, walking up the pedestrian overpass, which is 5 meters long, 30 meters, find the man, acting on an object at the bridge.
A heavy 50 kg kg mass 10 carrying objects on his shoulders to walk up the footbridge across the road, which is high 5 meters long 30 meters. Be job of man towards the object when the bridge.