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King Fahd University of Petroleum & Minerals

Lecture #34 on the general application of motion equations, including moments, translations, rotations, reactions, friction, and rolling problems with examples.

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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 # 34

  2. General Application of the Equations of Motion Summation of moment in FBD = summation of the kinetic moment in K.D

  3. Rectilinear Translation

  4. Curvilinear Translation

  5. Rotation About a Fixed Axis

  6. Ot Ox On Oy On Ot Pin Reaction Horizontal Reaction Vertical Reaction OR Normal Reaction Tangential Reaction If G&O are same use horizontal and vertical If G&O are not same use normal and tangential

  7. General Plane Motion

  8. Frictional Rolling Problems - rolls without slipping - slides as it rolls

  9. Example 17-14 m = 8 Kg radius of gyration kG=0.3m. a=?.

  10. Example 17-15 W= 50-lb radius of gyration kG=0.70ft. aG=?.

  11. Example 17-16 m=100 kg IG=75 kg.m2 a=? The pole at rest

  12. Example 17-17 m=30 kg KG=0.15m a=? at rest No slipping occurs

  13. Thank you

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