Select the pair of forces that always work in opposite direction.
AFrictional force, magnetic force
BGravitational force, frictional force
CGravitational force, magnetic force
DNone of these
Ans 4:
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Ans 12:
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Ans 20:
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Ans 21:
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Annlisa Castlia
from
BPS, HYD
Class : Class 5
But they are telling that the right answer is option d