Auniform metal rod, with a mass of 2.6 kg and a length of 1.5 m, is attached to a wall by a hinge at its base. a horizontal wire bolted to the wall 0.70 m above the base of the rod holds the rod at an angle of 28 ∘ above the horizontal. the wire is attached to the top of the rod. find the tension in the wire. find the horizontal component of the force exerted on the rod by the hinge. find the vertical component of the force exerted on the rod by the hinge.

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.