Pendulum Oscillations and Simple Harmonic Motion - Class XI

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Question 1 of 43

A large box is accelerated up the inclined plane with an acceleration a and pendulum is kept vertical (Somehow by an external agent) as shown in figure.Now if the pendulum is set free to oscillate from such position, then what is the tension in the string immediately after the pendulum is set free? (mass of $500m$)

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$mg$

$ma _{o} \sin\theta$

$\left( m g + m a _ { 0 } \sin \theta \right)$

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