A man is standing at the edge of a boat. He starts moving towards the centre of the boat.The boat will move in opposite direction. Why ?

Momentum is zero

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The boat will move in the opposite direction only if external force is applied .

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Momentum is not zero

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Both a and b

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Solution

The correct option is A Momentum is zero
Initially, the total momentum was zero and after the man starts moving, the total momentum should still be zero (law of conservation of momentum). So, the boat will move in the direction opposite to the direction of motion of the man.

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Similar questions

Q. A man is standing at the edge of a boat. He starts moving towards the centre of the boat.The boat will move in opposite direction. Why ?

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Q. A man is standing on a boat in still water. If he walks towards the shore, the boat will :

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A man is standing at the edge of a boat. He starts moving towards the centre of the boat.The boat will move in opposite direction. Why ?

The correct option is A Momentum is zeroInitially, the total momentum was zero and after the man starts moving, the total momentum should still be zero (law of conservation of momentum). So, the boat will move in the direction opposite to the direction of motion of the man.

The correct option is A Momentum is zero
Initially, the total momentum was zero and after the man starts moving, the total momentum should still be zero (law of conservation of momentum). So, the boat will move in the direction opposite to the direction of motion of the man.