On a stationary sail-boat, air is blown at sails from a fan attached to boat. boat will

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4-1.Newton's Laws of Motion

easy

On a stationary sail-boat, air is blown at the sails from a fan attached to the boat. The boat will

ARemain stationary

BSpin around

CMove in a direction opposite to that in which air is blown

DMove in the direction in which the air is blown

Solution

(a)The force exerted by the air of fan on the boat is internal and for motion external force is required.

Standard 11

Physics

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