The path of motion of a 8-lb particle in the horizontal plane is described in terms of polar coordinates as r= (3 t + 2)ft and 0 rad, where t is in seconds. (0.3 t2- t) Part A Determine the magnitude of the unbalanced force acting on the particle when t = 2 s. Express your answer to three significant figures and include the appropriate units. ? F= 3.80 lb Submit Previous Answers Request Answer x Incorrect; Try Again; 6 attempts remaining Provide Feedback