2. A student drags a 7.0 kg carton of apples across the floor by exerting a 45 N force in the direction shown. The coefficient of friction between the carton and the floor is 0.52. F = 45 N 249 H = 0.52 a) What is the magnitude of the normal force acting on the carton? (2 marks) b) What friction force acts on the carton? (2 marks) c) What is the acceleration of the carton