| ESFL | end-systolic force-length relationship |
|---|---|
| F | and R force and rhythm [of pulse] |
| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
| F&R | force and rhythm [pulse] |
| FSR | Fellow of the Society of Radiographers; film screen radiography; force sensing resistor; fragmented ... |
| force-velocity curve | The relationship between isotonic velocity of shortening and afterload for a contracting muscle. (05 Mar 2000) |
|---|---|
| lorentz force | <physics> Total electromagnetic force on a charged particle moving in electric & magnetic fields. F = q(E + (v/c)xB). See: force, cross product, charge, velocity, and relevant variable symbols. (09 Oct 1997) |