A ball bearing is gently released from rest and... - WAEC Physics 2000 Question
A ball bearing is gently released from rest and allowed to fall through a viscous fluid. Which of the following statements about the motion is correct?
A
its acceleration decreases before terminal velocity is attained
B
when terminal velocity is attained the acceleration of the fluid becomes zero
C
its velocity increases before terminal velocity is attained
D
there is no resultant force on the ball before it attains terminal velocity
correct option: b
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