Exam 2 Theory q Flashcards
1
Q
Name one primary concern for learning torsional on a circular shaft.
A
The torsional deformation is easier to find/calculate on a circular shaft, rather than a triangular/rectangular shaft
2
Q
In regards to stress concentration factor, changes in the cross section of a member loaded in torsion cause the local stress near the changes to be higher or lower. Explain.
A
It would be higher. σshear=ktσnormal
3
Q
Definition of centroid
A
Center of mass, a balancing point
4
Q
Definition of moment of inertia
A
Defined as the sum of the products obtained by multiplying each infinitesimally small element of the area by the square of its distance from the axis.