Answer
(a) 889.6 N for 200 lb.
(b) 2.45 N,
(c) 24 teaspoons of granulated sugar
Work Step by Step
(a). For a 200 lb person.
200 lb = 200 x 4.448 = 889.6 N [ 1 lb = 4.448 N]
(b) W = mg (250 x 10-3) x 9.8 = 2.45 N [g = 9.8 m/s2 ]
(c) 24 tsp = 0.2248 lb = 0.2248 x 4.448 = 1 N
24 teaspoons of granulated sugar