As shown in the figure, a small object with a mass of m= 1.0 kg
is hung on the end of a string with a length of L = 1.0 m.
This object is made to move in a uniform circular orbit at a
constant speed so that the string keeps an angle of 30 ° with
respect to the vertical line. Answer the following
questions. However, = 3.14.
(1) Illustrate the force acting on the object and write the
equation of motion, taking the speed of the object v as a
guide.
(2) Find the speed of the object v.
(3) Find the rotation cycle TP.
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