en.wikipedia.org/wiki/Mass

In physics, mass is a property of a physical body. It is a measure of an object's
resistance to ... There are several distinct phenomena which can be used to
measure mass. ... Outside the SI sys...

physics.info/acceleration/

In everyday English, the word acceleration is often used to describe a state of ...
In contrast, instantaneous acceleration is measured over a "short" time interval. ...
Numbers, measurements, and units are written in roman (not italic, not bold, not
... Once in orbit, the whole system enters into an extended period of free fa...

www.yale.edu/ynhti/curriculum/units/2003/4/03.04.06.x.html

To determine how fast an object is moving in any direction you need a unit of
measure. ... These units are based on standards that do not vary. .... Acceleration
is used to describe the rate at which velocity changes. ... When your plane goes
into free-fall, the crate is still pulled by gravity just as during a normal flight; but
the ...

thephysicsteacher.ie/LC Physics/Student Notes/7. Acceleration.docx

The unit of acceleration is the metre per second squared (m s<sup>-2</sup>, or m/s<sup>2</sup> ). ... The
following equations tell us how these quantities are related: ... To measure
acceleration; To measure acceleration due to gravity using a Free-Fall Apparatus
.... Answer 2: Pre 1900 s was used for "space covered" and velocity was "space ...

www.engineeringtoolbox.com/accelaration-gravity-d_340.html

Acceleration of gravity and Newton's Second Law - SI and Imperial units. ...
Acceleration of Gravity is one of the most used physical constants - known from ...
The acceleration of gravity can be observed by measuring the change of velocity
related to ... The velocity after some time for a free falling object can be expressed
as:.

roperescuetraining.com/en/physics_force.asp

This page explains mass and force, and the units used to measure them, in more
detail. This information is mostly theoretical and if it doesn't interest you, feel free
to ... used to define force as the product of an object's mass and its acceleration (
i.e. ... This means that, ignoring air resistance, a falling object will acce...

www.newworldencyclopedia.org/entry/Acceleration

Feb 5, 2016 ... In SI units, acceleration is measured in meters per second squared (m•s<sup>-</sup>²). ... If
used with SI standard units (metres per second for velocity; seconds ... or g 0)
being the standard uniform acceleration of free fall or 9.80665 m/s², ...

www.gforces.net/what-is-g-force-meaning.html

It is measured in g's, where 1 g is equal to the force of gravity at the Earth's ... of G
force, the g-force on an object is its acceleration relative to free-fall. ...
acceleration due to the vector sum of non-gravitational forces acting per unit ...
These accelerations, also known as "proper accelerations,” are not the re...

physics.stackexchange.com/questions/95974/why-is-acceleration-expressed-as-m-s-s

Jan 30, 2014 ... Now, to measure the average acceleration, we do the same thing as above: ....
second for (or per) each second it falls: 10 meters per second per second. ... but
not velocity limits - you are still free to choose which way to go (within .... So, if we
concentrate on the units used to measure these components, we ...

units.wikia.com/wiki/Force

As with the Units of Measurement wiki, the text of the engineering wiki is .... If
these units are not consistent, a more general form, F=k·m·a, can be used, where
the ... However, even at sea level on Earth, the actual acceleration of free fall is ...