How can you find the hardness of a material?
What will be an ideal response?
By applying force to a material in a very small area, the hardness of that material can be found. Many hardness testing machines use a hardened steel or diamond point that is pushed into the surface of a material with a predetermined force and the resulting diameter of the dent is carefully measured.
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Gear ratios can be used to ________.
A) Increase torque B) Increase speed C) Reverse direction D) All of the above
A(n) ____ drawing includes a great deal of data, including the size and shape of the project, what kinds of materials should be used, how the finishing should be done, and what degree of accuracy is needed.
A. assembly B. production C. detail D. standard
Define pitch as used in spring terminology.
What will be an ideal response?
club applies a force of 12 lbf to a rubber ball which has a mass of 1.5 lbm. What is the acceleration experienced by the ball as it encounters the force?
Given: F = 12 lbf; m = 1.5 lbm What will be an ideal response?