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8) A pendulum of mass m hangs from a support fixed to a trolley. Find the...

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Physics

8) A pendulum of mass m hangs from a support fixed to atrolley. Find the direction of the string of the pendulum, i.e. itsangle a with the vertical, and its tension T in the followingcases:
a. The trolley moves uniformly on a horizontal plane.
b. The trolley moves horizontally with acceleration a.
c. The trolley rolls freely down an inclined plane at an angleφ to the
horizontal.
d. The trolley rolls up the plane with acceleration b directedalong the plane.
e. The trolley rolls down the plane with the same accelerationb.

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