Motion of a Top
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The motion of the top is such that at the instant shown it is rotating about the z axis at w1 = 0.6 rad/s, while it is spinning at w2 = 8 rad/s. Determine the angular velocity and angular acceleration of the top at this instant. Express the result as a Cartesian vector.
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Solution Summary
The motion of a top are determined. The expert calculates the angular velocity and angular acceleration of the top.
Solution Preview
At the instant shown, every point on the top is subjected to two angular velocities viz. ω1 = 0.6 rad/sec directed along z axis and ω2 = 8 rad/sec directed 45O with y axis. Resultant angular velocity can be determined using the parallelogram law of vector addition.
z ω
α ω2
ω1 θ
y
...
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