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Statement 1: |
The velocity of a body at the bottom of an inclined plane of given height is more when it slides down the plane compared to when it rolls down the same plane |
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Statement 2: |
In rolling down, a body acquires both, KE of translation and KE of rotation |
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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: |
The velocity of a body at the bottom of an inclined plane of given height is more when it slides down the plane compared to when it rolls down the same plane |
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Statement 2: |
In rolling down, a body acquires both, KE of translation and KE of rotation |
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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 |
(b)
In sliding down, the entire PE is converted only into linear KE. In rolling down, a part of same PE is converted into KE of rotation. Therefore, velocity acquired is less. Both the statements are true, but statement-2 is not a correct explanation of statement