PHYSICS
JAMB 2005 - Question 49
Physics 2005 JAMB Past Questions - Question 49: a body of mass 36kg falls through a viscous fluid which offers a drag force of 260n on the body .the upthrust on the body at terminal velocity is
Choose the correct answers from the options given.
A:
B:
C:
D:
Correct Answer
D
Explanation
for anybody falling through a viscous liquid, at its terminal velocity, the resultant force acting on it is zero from the equation: Mg - V - U =0. where V = viscous dragU = up thrustMg = weight of the body.therefore 36x10-260 - U = 0therefore U = 360 - 260 =100N
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