ch8_3_studentnotes

ch8_3_studentnotes - WEDGES AND BELTS Todays Objectives: a)...

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WEDGES AND BELTS Today’s Objectives : a) Determine the forces on a wedge. b) Determine the tensions in a belt. In-Class Activities : Applications Analysis of a wedge Analysis of a belt Problems and questions
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APPLICATIONS Wedges are used to adjust the elevation or provide stability for heavy objects such as this large steel vessel. How can we determine the force required to pull the wedge out? When there are no applied forces on the wedge, will it stay in place (i.e., be self- locking) or will it come out on its own? Under what physical conditions will it come out?
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APPLICATIONS (continued) Belt drives are commonly used for transmitting power from one shaft to another. How can we decide that the belts will function properly, i.e., without slipping or breaking?
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APPLICATIONS (continued) In the design of a band brake, it is essential to analyze the frictional forces acting on the band (which acts like a belt). How can we determine the tensions in the cable pulling on the band? How are these tensions, the applied force P and the torque M, related?
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ANALYSIS OF A WEDGE A wedge is a simple machine in which a
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This note was uploaded on 12/06/2010 for the course CHEM 141 taught by Professor Freeman during the Spring '10 term at Columbia SC.

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ch8_3_studentnotes - WEDGES AND BELTS Todays Objectives: a)...

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