The program output is:

Script started on Wed Nov 02 13:08:04 2005
prompt >> java WindForce
     Time      Force
(seconds)       (kN)
====================
     0.00      4.00
     0.25      5.64
     0.50      4.61
     0.75      4.31
     1.00      4.00
     1.25      5.64
     1.50      4.61
     1.75      4.31
     2.00      4.00
     2.25      5.64
     2.50      4.61
     2.75      4.31
     3.00      4.00
prompt >> 
prompt >> exit
script done on Wed Nov 02 13:08:11 2005