A) The boat will be uniformly accelerated in the direction of the flow of the air
B) The boat will start moving with uniform speed
C) The boat will be uniformly accelerated opposite to the direction of flow of air
D) The boat will remain stationary as before
Correct Answer: D
Solution :
The air blown at the sail will apply forward force but equal and opposite force will be experienced by the fan. As fan is also a part of the boat, hence net force on the boat will be zero, ie, the boat will remain stationary a & before.
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