A toy car experiences an unbalanced force. How would the Fnet on the toy car change when the acceleration is halved? a

Fnet would decrease by one third

b

Fnet would decrease by one half

c

Fnet would triple

d

Fnet would double

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.