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In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may be applied to cause a linear acceleration without an angular acceleration. Calculations in mechanics are often simplified when formulated with respect to the center of mass. It is a hypothetical point where the entire mass of an object may be assumed to be concentrated to visualise its motion. In other words, the center of mass is the particle equivalent of a given object for application of Newton's laws of motion.
In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe. In the case of a distribution of separate bodies, such as the planets of the Solar System, the center of mass may not correspond to the position of any individual member of the system.
The center of mass is a useful reference point for calculations in mechanics that involve masses distributed in space, such as the linear and angular momentum of planetary bodies and rigid body dynamics. In orbital mechanics, the equations of motion of planets are formulated as point masses located at the centers of mass. The center of mass frame is an inertial frame in which the center of mass of a system is at rest with respect to the origin of the coordinate system.
Bought this and instantly had buyers remorse. It wasn't the model I wanted and I was not able to return it. So....my loss is your gain as the saying goes. This is the M&P 9 Shield. It is NOT the Plus model if that is something that is important to you. As the Performance Center version it has...
For sale is a 5" S&W 686 Plus Performance Center.
It's a 7-shot 357 magnum cut for moon clips. Come with some moon clips and tools to load/unload them.
Bought new a few years back and I've put about 600 rounds of lead cast 38-special through it.
Priced to sell. No trades.
Thompson Center Arms Encore
In excellent condition Single shot, bright and shiny bore, 15" barrel, beautiful wood furniture. Leupold Vari-x 2.5-8 w/duplex reticle, Butler Creek flip up scope covers & TC Contender hunter leather carry case
$700 or best offer (PENDING)
Smith & Wesson Performance Center 460S&W mag 7.5" barrel
with 2-7x32mm Burris pistol scope with ballistic plex
1" vortex cantilever scope mount
40 rds of Hornady 200gr ammo
Less than20 rds through it still like new.
Open to trades. Would like a long range hunting rifle, 6.5prc,7mm,300win etc
if just Washington had stricter knife laws, this would not have happened
if only Doc Holiday had been at the table
Excellent condition S&W Model 60 Pro in 357mag. Comes with everything it came with from the factory.
Willing to trade for West German P220, Walther PDP fullsize 5" barrel with cash from your end, or Detonics Combat Master in blue with money from me.
Might consider other trades, just contact me...
Thompson Center Super 16 Rifle
Chambered in 223 Rem
Stocks and barrels on the Thompson firearms are interchangeable
Great little Rifle
This would make a good 1st Rifle for Someone
Asking $750 or trade for a Henry lever action 308
Located in Vancouver Washington
Set of four 18" BBS Forged TRD wheels for 2013-2021Tundra's and Sequoia's. Includes center caps and TPMS sensors, but no lug nuts. Excellent used condition, no curb rash, etc.
$1,200.00 (Cash). Local sale preferred. I'm in Roseburg and willing to drive a reasonable distance.
If you want to pay...
Set of four 18" BBS Forged TRD wheels for Tundra's and Sequoia's. Includes center caps and TPMS sensors, but no lug nuts. Excellent used condition, no curb rash, etc.
$1,250.00 (Cash). Local sale preferred. I'm in Roseburg, Oregon and willing to drive a reasonable distance.
If you want to pay...
Asking $1025 cash. Sorry, no trades. Very faint cylinder turn line evidences very little use. No scratches or handling marks. Buyer pays their FFL transfer fee. Contact me for further details.
Gun is in excellent condition with about 60 rounds thru it. Includes a Leupold 3.5x10x40 Vari-x 3 scope in perfect condition.
Gun reviewed at - https://www.thetruthaboutguns.com/gun-review-thompsoncenter-icon/
Barrel: 24" 1:10 twist.
Size: 44″ overall length
Weight: 7.75 lbs. empty...