The path of motion of a 7-1b particle in the horizontal plane is described in terms of polar coordinates as r = (3t+ 2)ft and 0 = (0.5 t² - t) rad, where t is in seconds. Part A Itranscript Determine the magnitude of the unbalanced force acting on the particle when t = 3 s. Express your answer to three significant figures and include the appropriate units. F = 3.50 lb E ? keyboard shortcuts

The path of motion of a 7-1b particle in the horizontal plane is described in terms of polar coordinates as r = (3t+ 2)ft and 0 = (0.5 t² - t) rad, where t is in seconds. Part A Itranscript Determine the magnitude of the unbalanced force acting on the particle when t = 3 s. Express your answer to three significant figures and include the appropriate units. F = 3.50 lb E ? keyboard shortcuts