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Statement 1: |
According to law of conservation of mechanical energy change in potential energy is equal and opposite to the change in kinetic energy. |
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Statement 2: |
Mechanical energy is not conserved. |
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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: |
According to law of conservation of mechanical energy change in potential energy is equal and opposite to the change in kinetic energy. |
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Statement 2: |
Mechanical energy is not conserved. |
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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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(c) According to conservation of mechanical energy as for conservation forces the sum of kinetic energy and potential energy remains constant and throughout the motion it is independent of time. This is the law of conservation of mechanical energy. ie, KE+PE=total energy =constant. |