A simple pendulum of length l and mass m is initially at its lowest position . It is given the minimum horizontal speed necessary to move in a circular path about the point of suspension. The tension in the string at the lowest position of the bob is

Question

Infinity Learn · Accepted Answer

$$T-mg$$ $$cos$$θ$$=mu2R$$, here T is tension in string, m is mass attached,  g is acceleration due to gravity, θ is angle made by the string with vertical  u is velocity of mass, R is radius of the circle   at lowest position θ$$=0$$,$$cos$$ $$0=1$$,$$thenT-mg=m5gR2R$$ ⇒$$T=6mg$$

A simple pendulum of length l and mass m is initially at its lowest position . It is given the minimum horizontal speed necessary to move in a circular path about the point of suspension. The tension in the string at the lowest position of the bob is

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