A steel ball is dropped in oil, then - Vidyadip

MCQ

A steel ball is dropped in oil, then

A
the speed of ball will keep on decreasing
B
the ball stops
C
the ball attains constant velocity after some time
D
the speed of ball will keep on increasing

✓

Answer

(c) the ball attains constant velocity after some time
Explanation: The ball attains constant velocity after falling through some distance in oil when the weight of the ball gets balanced by upthrust and the upward viscous force.

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