A bathroom scale reads 600N when a person stands on it on Earth, where g=9.8N/kg. If the same person stands on an asteroid where g=4.0N/kg, what reading should the scale show (assume no other acceleration)?
(a) 4.0×102N
(b) 3.0×102N
(c) 2.4×102N
(d) 6.0×102N