An object is pulled up an incline plane at a constant velocity as the picture above shows. Calculate the tension on the rope. A. 377 N
B. 502 N
C. 305 N
D. 545 N

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.