30). A uniform disk of mass M and radius R is free to rotate in the xy-plane about a horizontal smooth axis through a pivot P on its circumference as shown in the figure at right. What is the magnitude of the angular acceleration of the ring about the axis of rotation (axis through P parallel to z-axis) when line OP makes an angle with the vertical (y-axis)? A). 3g sin 0 2R B). R C). 2g sin 0 3R D). 2g sin 0 R X
30). A uniform disk of mass M and radius R is free to rotate in the xy-plane about a horizontal smooth axis through a pivot P on its circumference as shown in the figure at right. What is the magnitude of the angular acceleration of the ring about the axis of rotation (axis through P parallel to z-axis) when line OP makes an angle with the vertical (y-axis)? A). 3g sin 0 2R B). R C). 2g sin 0 3R D). 2g sin 0 R X
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Transcribed Image Text:30).
A uniform disk of mass M and radius R is free to rotate in the xy-plane about a
horizontal smooth axis through a pivot P on its circumference as shown in the figure at
right. What is the magnitude of the angular acceleration of the ring about the axis of
rotation (axis through P parallel to z-axis) when line OP makes an angle with the vertical
(y-axis)?
A).
3g sin
2R
B).
V²
R
C).
2g sin
3R
D).
2g sin 0
R
6
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