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    Calculating relative acceleration and magnitude of force

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    Please see the attachment. What is the most straight forward way to solve it? Please provide explanations for the major steps.
    Thanks.

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    https://brainmass.com/physics/acceleration/calculating-relative-acceleration-magnitude-force-13271

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    USE OF EQUATION OF MOTION IN TERMS OF RADIAL AND TRANSVERSE DIRECTIONS

    a.) Because along the radial direction:
    Tension in the cord:
    T = m*r*Q_dot^2
    Read Q as theta.
    Q_dot == theta dot = d(Q)/dt = 10t rad/s
    The cord will break when T = 18 N
    => ...

    Solution Summary

    This solution describes in 176 words how to find the acceleration and force through using the equation of motion, tension, and time.

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