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Shivam Bhagat Grade: 9
        if a pendulum is swinging , then where will be the maximum acceleration?? At the mean or extreme???and why????? Pls explain!!!
6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

equation of motion of pendulam is x = Asinwt          (for small displacements)


A = amplitude of motion ...


 x = Asinwt          .............1


v(velocity) = dx/dt = Awcoswt


a(accleration) = dv/dt = -Aw2sinwt    ..............2


now accleration is maximum when sinwt = 1 or -1 ..


         sinwt = + or - 1


now , position when sinwt = + or -1 is


 x = A or -A                  (from eq 1)


so maximum accleration is at extream  positions


 

6 years ago
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