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King Fahd University of Petroleum & Minerals

This lecture covers the various types of rigid body planar motion, including translation and rotational motion about a fixed axis. Key concepts such as position, velocity, and acceleration are explained using examples and problem-solving techniques. The lecture also explores relative motion analysis and rolling without slipping.

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King Fahd University of Petroleum & Minerals

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  1. King Fahd University of Petroleum & Minerals Mechanical Engineering Dynamics ME 201 BY Dr. Meyassar N. Al-Haddad Lecture # 29

  2. Rigid-Body Motion • Types of rigid body planar motion: • Translation • Rotational about fixed axis • General plane motion

  3. Summary

  4. r1 r2 s , v, a

  5. Example 16-2 Rest aA= 2 rad/s2 uP=? aP=? qB= 10 revelations of B

  6. Problem 16-14 Reverse gear transmission wB= ? G rG = 80 mm rC= rD = 40 mm rE = rB = 50mm rF= 70 mm

  7. Problem 16-xx

  8. A B A B Translation Position Velocity Acceleration

  9. Rotation

  10. Relative Motion Analysis: Velocity

  11. y x Indicate the direction of velocities of points A, B, C

  12. Example 16-9

  13. Rolling wheels C Rolls without slipping

  14. D C IC Instantaneous center of zero velocity

  15. Location of IC knowing the line of action of vA and vB

  16. Example 16-11

  17. Example 16-12

  18. Example

  19. Relative-Acceleration equation aB = acceleration of point B aA = acceleration of the base point A a = angular acceleration of the body w = angular velocity of the body rB/A = relative-position vector drawn from A to B

  20. at=0 Rolling wheel with-out slipping G

  21. Example 16-17

  22. Example 16-18

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