What type of forces affects the speed and direction of motion of an object? a) balanced forces b) unbalanced forces c) equal and opposite forces in the vertical plane d) equal and opposite forces on the horizontal plane. i picked b, jsut wanted to check if im correct

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.

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?