Answer:
Weight, W = 400 N
Step-by-step explanation:
Give that,
Mass of a girl, m = 40 kg
We need to find the weight of a girl.
Weight of an object is given by :
W = mg
g is the acceleration due to gravity
Putting all the values,
W = 40 kg × 10 m/s²
= 400 N
Hence, the weight of a girl is 400 N.