A. upthrust is equal to the weight of the ball
B. ball accelerate uniformly
C. upthrust is equal to the velocity of the ball
D. velocity is uniform

Correct Answer:

Option D = velocity is uniform

SEE ALSO  A plane inclined at 30o to the horizontal has an efficiency of 50%. Calculate the force parallel to the plane required to push a load of 120N uniformly on the plane

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