[Maxima-commits] CVS: maxima/share/contrib/ezunits ezunits.mac, 1.28, 1.29

[Robert D. <rob...@us...>]

Update of /cvsroot/maxima/maxima/share/contrib/ezunits
In directory sfp-cvsdas-4.v30.ch3.sourceforge.com:/tmp/cvs-serv24671

Modified Files:
	ezunits.mac 
Log Message:
More accurate value of gravitational acceleration in pound_force definition.

Index: ezunits.mac
===================================================================
RCS file: /cvsroot/maxima/maxima/share/contrib/ezunits/ezunits.mac,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -d -r1.28 -r1.29
--- ezunits.mac	25 Jan 2010 04:44:00 -0000	1.28
+++ ezunits.mac	22 Jun 2010 15:36:31 -0000	1.29
@@ -363,7 +363,8 @@
     /* slug = ???, */
     ounce = pound_mass/16,
     /* grain = ???, */
-    pound_force = pound_mass*32*ft/s^2,
+    /* assume gravitational acceleration = 980.665 cm/s^2 */
+    pound_force = pound_mass*41408/1287*ft/s^2,
     acre = 55*88*yard^2,
     psi = pound_force/inch^2,
     cfm = feet^3/minute,