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in Physics by (69.9k points)

1. Draw a graph between displacement and the time for a body executing free vibrations. 

2. Where can a body execute free vibrations? 

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1. The displacement—time graph for a body executing free vibrations is given below:

2. The free vibrations of a body actually occur only in vacuum because the presence of a medium offers some resistance due to which the amplitude of vibration does not remain constant and decreases continuously. Thus, we define free vibrations as the periodic vibrations of a body of constant amplitude in the absence of any external force on it.

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