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3 cards from this section. Quick, good the night before a test.
What is torsion?
Think about the force causing the twisting.
Define torque in the context of torsion.
It's also the twisting force applied.
What does the term 'torsion' refer to?
Consider the direction of applied forces.
True or False: Shear stress is not relevant in understanding torsional energy.
Think about the forces acting within the material.
A rectangular beam with dimensions 0.05 m x 0.1 m is subjected to a torque of 150 Nm. Calculate the polar moment of inertia and the torsional energy stored if the length of the beam is 1.5 m and shear modulus is 60 GPa.
Make sure to compute J correctly to proceed with energy calculations.
Design a cylindrical shaft to carry a specific torque of 300 Nm without exceeding a shear stress limit of 50 MPa. What is the minimum diameter required?
This involves rearranging the formula to isolate the diameter. Be sure to also remember how to convert units properly.
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