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ENGI 1313 Mechanics I

ENGI 1313 Mechanics I . Lecture 41: Course Material Review. Example 41-01. The A-frame is being hoisted into an upright position by the vertical force of F = 80 lb. Determine the moment of this force about the y axis when the frame is in the position shown. Example 41-01 (cont.).

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ENGI 1313 Mechanics I

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  1. ENGI 1313 Mechanics I Lecture 41: Course Material Review

  2. Example 41-01 • The A-frame is being hoisted into an upright position by the vertical force of F = 80 lb. Determine the moment of this force about the y axis when the frame is in the position shown.

  3. Example 41-01 (cont.) • Type of Problem? • Moment about an axis • Triple Scalar Product

  4. Example 41-01 (cont.) • Steps for Analysis • Position vector • Force vector • Unit vector • y’ axis components

  5. References • Hibbeler (2007) • http://wps.prenhall.com/esm_hibbeler_engmech_1

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