Given,
(a) m = 10 kg
g = 9.8 m s-2
Weight = mg
= 10 × 9.8 = 98 N
As 9.8 N = 1 kgf,
Hence, 98 N = 10 kgf
Therefore, weight in kgf = 10 kgf
(ii) Weight in Newton = 9.8 N
Given,
(a) m = 10 kg
g = 9.8 m s-2
Weight = mg
= 10 × 9.8 = 98 N
As 9.8 N = 1 kgf,
Hence, 98 N = 10 kgf
Therefore, weight in kgf = 10 kgf
(ii) Weight in Newton = 9.8 N