SI Units - Engineering

Q1:

1 kg wt in gravitational unit equals

A 8.9 N in SI system

B 9.8 N in SI system

C 4.5 N in SI system

D 5.4 N in SI system.

ANS:B - 9.8 N in SI system

w = mg.
Weight = Mass x Gravity.
where;
Mass = 1 kg.
g = gravity = 9.81 m/sec^2.
w = 9.81N.