What similarity did Isaac Newton perceive between a falling apple and the moon?
A) The velocities of both are directed toward Earth's center.
B) Both have a velocities and accelerations directed toward Earth's center.
C) Both have accelerations directed toward Earth's center, although the forces on them are in different directions.
D) Both have forces on them toward Earth's center, and accelerations directed toward Earth's center.
E) Both have forces on them toward Earth's center, but their accelerations are in different directions.
D
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Discuss advantages and disadvantages of two methods for solving one-dimensional steady conduction problems.
What will be an ideal response?
In the diagram below label each of the major divisions of Earth's interior
Tensional forces cause the crust to
A) buckle and fold, thereby shortening the crustal surface. B) buckle and fold, thereby lengthening the crustal surface. C) stretch and pull, thereby shortening the crustal surface. D) break and fracture, thereby lengthening the crustal surface.
In a(n) _________test, the part is subject to a specified stress, and if the part does not fail, the maximum possible crack length is then calculated.
Fill in the blank(s) with the appropriate word(s).