position, origin, coordinates, displacement, vector, magnitude, scalar, speed, velocity, slope, acceleration, average velocity, instantaneous velocity, force, newton (N), pound, weight, free-body diagram, normal force, net force, spring constant, spring, torque, line of action, equilibrium, fulcrum, lever, friction, Newton's first law of motion, Newton's second law of motion, Newton's third law of motion, momentum, impulse, angular velocity, radian, centripetal force, centripetal acceleration, law of universal gravitation, satellite, orbit, variable, equation |