John Denker wrote, in part:
"Saying
F causes ma (1)
is just as true (or just as false) as saying
ma causes F. (2)"
I continue to disagree. Forces can exist in the absence of
acceleration, but acceleration cannot exist in the absence of forces.
A system can be in equilibrium while being subjected to two or more
forces. It is certainly perverse to suggest that these forces are
caused by acceleration.
Daniel Crowe
Oklahoma School of Science and Mathematics
Ardmore Regional Center
dcrowe@sotc.org