Of 31 kg and is attached to a rope that is wound around a cylinder with a radius of 0.065 m. A crank with a turning radius of 0.28 m is attached to the end of the cylinder. What minimum force directed perpendicularly to the crank handle is required to raise the bucket

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.