Definition:FPS/Energy/Foot-Pound
Definition
The foot-pound is an FPS unit of energy and work.
It is defined as being:
- the amount of energy required to apply $1$ pound force through a linear displacement of $1$ foot.
Conversion Factors
\(\ds \) | \(\) | \(\ds 1\) | foot-pound | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 1 \cdotp 35582\) | joules | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 0 \cdotp 3239\) | $15 \cels$ calorie | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 1 \cdotp 285 \times 10^{-3}\) | British thermal unit |
Symbol
- $\mathrm {ft} \, \mathrm {lb}$, $\mathrm {ft} \text- \mathrm {lb}$,$\mathrm {ft} \, \mathrm {lbf}$ or $\mathrm {ft} \, \mathrm {lbwt}$
The symbol for the foot-pound is $\mathrm {ft} \, \mathrm {lb}$, $\mathrm {ft} \text- \mathrm {lb}$, $\mathrm {ft} \, \mathrm {lbf}$ or $\mathrm {ft} \, \mathrm {lbwt}$.
The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lb}\) is \mathrm {ft} \, \mathrm {lb}
.
The $\LaTeX$ code for \(\mathrm {ft} \text- \mathrm {lb}\) is \mathrm {ft} \text- \mathrm {lb}
.
The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lbf}\) is \mathrm {ft} \, \mathrm {lbf}
.
The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lbwt}\) is \mathrm {ft} \, \mathrm {lbwt}
.
Also known as
Some sources do not hyphenate: foot pound
The foot-pound is also seen referred to as the foot-pound force, or the foot pound force.
Sources
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $2.$ Unit Conversion Factors
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): foot-pound
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): foot-pound