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# The STANDARD force, and/or weight

## The STANDARD force, and/or weight - Physics Forum

### The STANDARD force, and/or weight - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.

#21
05-02-2005, 01:50 PM
 Don1 Guest Posts: n/a
The STANDARD force, and/or weight

Jeremy Watts wrote:
each
different
you
mass
complicated
SI
as
may
have
of
32.174
the
to
ratio
fall
is
are
exerts
a
rate...
There are some things that we might say that will commit us: For
example if we say that a body's mass is the ratio of its weight (w),
divided by the acceleration (g) at which it will free fall; which is
equal to the ratio of the net force (f) exerted on and/or by it,
divided by the acceleration (a) that is caused: Then - for better or
worse - we are committed to this statement; so that in all future use
of "mass" we must include the entire contents of the statement.

We cannot say f=ma, or w=mg, because m=w/g=f/a: We must use w/g or f/a;
not m; as f=fa/a, or f=wg/a, or w=wg/a. That's my two cents worth.

Don

#22
05-02-2005, 06:55 PM
 Jeremy Watts Guest Posts: n/a
The STANDARD force, and/or weight

"Don1" <[Only registered users see links. ]> wrote in message

why?

why?

#23
05-02-2005, 07:14 PM
 Don1 Guest Posts: n/a
The STANDARD force, and/or weight

Jeremy Watts wrote:
of
is
force,
acceleration
where
pound-foot
the
kilogram
we
_unit_
the
equal
Which
the
weight
that
(w),
is
or
use
Because we can't use only part of the complete statement; that defines
mass.
f/a;
Because (m)=w/g=f/a, f=(m)a, and w=(m)g!

#24
05-02-2005, 08:45 PM
 Jeremy Watts Guest Posts: n/a
The STANDARD force, and/or weight

"Don1" <[Only registered users see links. ]> wrote in message

so you have a simple scalar re-formulation of Newtons 2nd, so what?

#25
05-02-2005, 09:33 PM
 Don1 Guest Posts: n/a
The STANDARD force, and/or weight

Jeremy Watts wrote:
think
That
treat
Earth,
and
then
to
to
by
its
invariant?
the
free
by
matter
that
will
or
certain
which
better
future
defines
or
worth.
Hardly Jeremy: According to Newton's 2nd: f=kma; but (m)=w/g=f/a; so
f=k(m)a! Can't you even get that right(;^?

Don

#26
05-06-2005, 10:40 PM
 Don1 Guest Posts: n/a
The STANDARD force, and/or weight

Jeremy Watts wrote:
Snip<
it?
fundamental

What is invariable Jeremy is the _ratio_ of the variable force (f)
divided by the variable acceleration(a); that are proportional to each
other, and numerically equal for any given body:

mass"
Can't you all see that?

#27
05-10-2005, 09:51 PM
 Don1 Guest Posts: n/a
The STANDARD force, and/or weight

Don1 wrote:
each

 Tags and or or , force , standard , weight

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