A moving body of mass 25.0kg undergoes a uniform retardation of 20.0ms-2. Calculate the magnitude of the retardation force by Sunday | Mar 13 | Physics WAEC | 0 comments A. 1.25N B. 8.00N C. 45.00N D. 500.00N Correct Answer: Option D D. 500.00N Explanation F = MG = 25 x 20 = 500N