What is needed to find shear strain in a rock?
What will be an ideal response?
Answer: We need two lines that were orthogonal prior to the deformation to define shear strain. The shear strain is the tangent to the angular shear strain, which is the change in angle between the two originally perpendicular lines.
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A thin math book and a thick science book are joined by a string on a horizontal friction-free table. One book is pushed off the edge of the table. As it falls, the other book (different mass) is dragged horizontally across the table surface. Acceleration of the books is
A. between zero and g. B. g. C. zero. D. g/2. E. greater than g.
In the Tarim Basin, where do most of the people reside?
A) high in the mountains surrounding the basin
B) in the foothills of the mountains along the basin's edge
C) near the basin's center
D) in an evenly distributed pattern, throughout the region
E) toward the eastern opening of the basin
When did Greenland become an independent nation?
A) 1867 B) 1776 C) 1979 D) 1929
Compared to real science, pseudoscience ________
A) is anything that threatens or contradicts your point of view B) is anything that confirms your point of view C) does not include bias or subjective values D) does not conform to the established scientific rigors