Power is best defined as ____

a. a change in position caused by force
b. the ability to perform work or cause change
c. the rate at which work is done
d. the flow of energy


C

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What will be an ideal response?

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The profitable southern slave system

A. hobbled the economic development of the region as a whole. B. saw many slaves moving to the upper South. C. led to the textile industry's development in the South first. D. relied almost totally on importing slaves to meet the unquenchable demand for labor. E. failed to prompt most planters to regard their slaves as investments to be cared for and monitored like any other asset.

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____ are useful for clamping larger parts. These clamps have a sliding lower jaw that can be positioned against the part before tightening the screw-clamping end.

A. Pipe clamps B. Cam-lock clamps C. Bar clamps D. C-clamps

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When concentricity is specified:

A. The two features must be located on the same axis B. One of the two features must be the datum for the other C. The tolerance zone will be a cylinder D. All of the above are true E. Only a and b are true F. Only a and c are true

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