Power Concentrated In Moving Bodies
Description
This section is from the book "The English And American Mechanic", by B. Frank Van Cleve. Also available from Amazon: The English And American Mechanic.
Power Concentrated In Moving Bodies
Simple power is force multiplied by its velocity. Power concentrated in a moving body is the weight of the body multiplied by the square of its velocity; and the product divided by the aceeleratrix, or the power concentrated in a moving body is equal to the power expended in generating the motion.
SHRINKAGE OF CASTINGS. | In. |
Iron, small cylinders............................ | 1/16 per foot. |
" Pipes........................................................- | 1/8 " |
" Girders, beams, etc...................................... = | 1/8 in 15 ins. |
" Large cylinders, the contraction of diameter at top............................................., ,. | 1/16 per foot |
" Ditto at bottom................................ = | 1/12 per foot. |
" Ditto in length..........................................- | 1/8 in 16 ins. |
Brass, thin................................. | = 1/8 in 9 ins. |
Brass, thick..................................... | = 1/8 in 10 ins. |
Zinc......................................... | = 5/16 in a foot. |
Lead............................... | = 5/16 in a foot. |
Copper.............................. | = 3/16 in a foot. |
Bismuth............................. | = in a foot. |
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