A man of mass m, experiences a viscous drag, F and an upthrust, U as he descends towards the ground at a steady velocity using a parachute. If the acceleration of free fall is g, which of the following expressions is correct?
FU = mg
U + F - mg = 0
U - F = mg
F - U - mg = 0
Correct answer is B
No explanation has been provided for this answer.