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    Which equations are relevent to pendulum physics problems?
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    (Original post by dodgewc25)
    The simple pendulum shown below in Figure Q3 is released from rest in the horizontal position. After it reaches the bottom position, the cord wraps around the smooth fixed pin at B and the pendulum continues in its motion. Calculate the magnitude of the force, FR supported by the pin at B when the pendulum passes the position, θ = 37.

    I can find the speed of the ball when the string hits the pin, but have no idea what to do about finding the force supported by the pin..
    We need to know where the pin is; can you upload an image of the question please?
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    (Original post by dodgewc25)
    The cord is 0.9m, with the pin 0.5m directly beneath the pendulum pivot. Mass of the ball is 4kg. There is no diagram given sadly.
    There will have been in the orginal question; where is this from?
 
 
 
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