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5 cards from this section. Quick, good the night before a test.
Define traction in the context of solid mechanics.
Think of what forces act on the surfaces.
What is torque?
Consider what happens when turning a handle.
What does traction represent in solid mechanics?
Consider how forces are defined in terms of their contact surfaces.
True or False: Torque due to body forces includes external loads only.
Remember the definition of body forces in terms of their distribution.
Consider a cuboidal object where traction forces act on all faces. If the traction on the front face is known, describe how you would find the resultant torque on the object.
Think about how the distance of the applied force influences torque.
A beam supports a load from two different points. Describe how you would calculate the effect of each point on the overall angular momentum of the system.
Be sure to consider how various distances from the pivot influence the overall rotational effect.
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