6(i)
Study the below figure and answer the following :
(a) What type of vibration does the figure represent?
(b) State one reason for which the amplitude of the vibration decreases with time.
(c) Write an example of natural vibrations.
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(a) It is damped vibration.
(b) The surrounding medium offers resistance (or friction) to the motion, so the energy of vibrating body continuously decreases due to which the amplitude of vibration gradually decreases.
(c) A body clamped at one point when disturbed slightly from its rest position, starts vibrating. The vibrations so produced are called the natural or free vibrations of the body.