The crank OA rotates in the vertical plane with a constant clockwise angular velocity ?0 of 4.9 rad/s. For the position where OA is horizontal, calculate the force under the light roller B of the 17.1-kg slender bar AB.

The crank OA rotates in the vertical plane with a constant clockwise angular velocity ?0 of 4.9 rad/s. For the position where OA is horizontal, calculate the force under the light roller B of the 17.1-kg slender bar AB.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.20P: Locate the instant center of rotation of bar AB for each case shown.

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Question

0.66 m
B
0.31 m
wo
0.94 m
The crank OA rotates in the
vertical plane with a constant
clockwise angular velocity?0 of
4.9 rad/s. For the position where
OA is horizontal, calculate the
force under the light roller B of the
17.1-kg slender bar AB.

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Step 1: Calculate the acceleration at point A

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