If you wanted to decrease the gravitational force between two objects, what would you do? a. increase the distance between the two objects b. decrease the distance between the two objects c. increase the mass of both objects d. increase the mass of one of the objects (this science not physics but there was no option for science so)

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.