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From: Snidely <snidely.too@gmail.com>
Newsgroups: alt.usage.english,sci.physics
Subject: Re: The antics of thermodynamics, the depravity of relativity, the bunkum of quantum
Date: Wed, 12 Mar 2025 11:50:36 -0700
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Remember  Wednesday, when  David Canzi asked plaintively:
> On 3/9/25 23:54, bertitaylor wrote:
>> Okay, let us do some school level physics (what Arindam was taught in
>> Std 8)
>> Pressure is force/area.  (Fundamental school level education, useful in
>> hydraulics, which Arindam learnt in Std 9).
>> Force is a vector
>> Area is a scalar, when by convention its orientation is perpendicular to
>> the force.
>> The division of a vector by a scalar is a vector.
>> So pressure is a VECTOR.
>
> The formula for gravitational attraction between two bodies is:
>
> F = G m1 m2 / d^2
>
> The left side is a force, therefore (according to you) a vector.  None
> of the quantities on the right side are vectors.  How does that happen?

You're missing the unit vector in the direction of the attracted to the 
attractor.  Instead, you're only looking at magnitudes.

Forces always act in a direction, which means that they are described 
by vectors.  Note that in case of gravitation, both parties are being 
forceful.

/dps


-- 
Hurray or Huzzah?