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Statement 1: |
If there is no external torque on a body about its center of mass, then the velocity of the center of mass remains constant |
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Statement 2: |
The linear momentum of an isolated system remains constant |
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a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
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b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
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c) |
Statement 1 is True, Statement 2 is False |
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d) |
Statement 1 is False, Statement 2 is True |
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Statement 1: |
If there is no external torque on a body about its center of mass, then the velocity of the center of mass remains constant |
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Statement 2: |
The linear momentum of an isolated system remains constant |
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a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
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b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
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c) |
Statement 1 is True, Statement 2 is False |
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d) |
Statement 1 is False, Statement 2 is True |
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(d) Velocity of center of mass of a body is constant when no external force acts on the body. If there is no external torque, it does not mean that no external force acts on it |