2) The rigid rod shown below is free to rotate about O. a) Draw the FBD and IRD of the system. b) Clearly define a new coordinate system using polar coordinates. c) Determine the reaction forces at O as a symbolic relationship to the bar's mass, length, and applied moment. Your final answer should be the x- and y-coordinates of the reaction forces. d) The applied moment is 20 ft-lb, the rod moves counterclockwise at 4 rad/s, it weighs 10 Ib and is 2 ft long. Calculate the reaction forces in lb. Express your final answer in rectangular coordinates. M L
2) The rigid rod shown below is free to rotate about O. a) Draw the FBD and IRD of the system. b) Clearly define a new coordinate system using polar coordinates. c) Determine the reaction forces at O as a symbolic relationship to the bar's mass, length, and applied moment. Your final answer should be the x- and y-coordinates of the reaction forces. d) The applied moment is 20 ft-lb, the rod moves counterclockwise at 4 rad/s, it weighs 10 Ib and is 2 ft long. Calculate the reaction forces in lb. Express your final answer in rectangular coordinates. M L
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2) The rigid rod shown below is free to rotate about O.
a) Draw the FBD and IRD of the system.
b) Clearly define a new coordinate system using polar coordinates.
c) Determine the reaction forces at O as a symbolic relationship to the bar's mass, length,
and applied moment. Your final answer should be the x- and y-coordinates of the reaction
forces.
d) The applied moment is 20 ft-lb, the rod moves counterclockwise at 4 rad/s, it weighs 10
Ib and is 2 ft long. Calculate the reaction forces in Ib. Express your final answer in
rectangular coordinates.
j
M
i
L-
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