A 10 kg mass is hanging vertically by a single rope and a force is applied to it upwards but the mass remains in equilibrium with the applied force. If the tension in the rope is 48.9 Newtons, what is the amount, or magnitude, of the applied force in Newtons

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.