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Mech 290

Published on Nov 19, 2015

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PRESENTATION OUTLINE

MECHANICS OF SOLIDS 1

MAGGA NETZER
Photo by Ben Cooper

MECHaNICAL ADVANTAGE

The number of times a machine multiplies effort
Photo by vxla

THREE CLASSES OF LEVERS

LOCKING PLERS

  • Also called vise grip pliers
  • Have a locking knob to control tension
  • Handles are squeezed to lock onto objects

FREE BODY DIAGRAM

FREE BODY DIAGRAM

EQUATIONS OF STATIC EQUILIBRIUM

ASSUMING THAT GRAVITY HAS NO EFFECT ON MACHINE OR NUT

MECHANICAL ADVANTAGE

  • 10lbs force input yields 164lbs force output
  • 1:16 mechanical advantage ratio
Photo by zedworks