midterm.fall10b

midterm.fall10b - ME 560 Kinematics Midterm Exam October...

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1 ME 560 Kinematics: Midterm Exam Fall Semester 2010 October 6th to October 18th NAME OF STUDENT: ________________________ Please draw your own figures of the mechanisms for Problems 2, 3 and 4. Clearly state the scales that you use for these drawings. Be sure to give all your answers corresponding to full scale. The figures can be drawn accurately by hand using straight edge, compass and protractor, and/or a suitable computer graphics package. Problem 1 (25 points). Part I . Consider the linkage in the position shown in Figure P 3.25, page 161. (a) On your scaled drawing of the linkage show the locations of the instantaneous centers of velocity. (b) Using the answers from part (a), and an input velocity 2 V5 i f t / s =+ (that is, the velocity of point A on the input link 2 is to the left) determine: (i) the angular velocity of the coupler link 3. Give the magnitude and the direction. (ii) the velocity of the coupler point B. Give the magnitude and the direction. Part II . Assume for the specified position and the input velocity 2 i f t / s (given in Part I) that the input acceleration is 2 2 A1 5 i f t / s . =− Using the method of kinematic coefficients determine: (i) the angular velocity of the coupler link 3. Give the magnitude and the direction. (ii) the velocity of the coupler point B. Give the magnitude and the direction.
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This note was uploaded on 12/27/2011 for the course ME 560 taught by Professor Na during the Fall '10 term at Purdue.

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midterm.fall10b - ME 560 Kinematics Midterm Exam October...

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