Calculate the weight of a body of mass 10kg in kgf and newton
i) 10 kgf [Weight is a force , its gravitational unit in MKS system is the kilogramme-force (kgf)].
(ii) Weight = Mass × acceleration (here, g)
= 10 kg × 9.8 m s-2
= 98 N.
The direction of force is downwards and its magnitude is 98 N.