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The muscles surrounding the body's center of mass primarily include the core muscles, which consist of the rectus abdominis, obliques (internal and external), transverse abdominis, and the erector spinae. These muscles stabilize the spine and pelvis, supporting proper posture and balance. Additionally, the diaphragm and pelvic floor muscles contribute to core stability and function. Together, these muscle groups play a crucial role in maintaining the body's center of mass during movement and activities.
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Why is the center of mass ofa 1-m length of pipe at its midpoint whereas this is not true for your arm or leg?
The center of mass of a uniform 1-meter length of pipe is at its midpoint because its mass is evenly distributed along its length. In contrast, the human arm or leg has varying densities and shapes, as they contain bones, muscles, and other tissues, which results in an uneven distribution of mass. Consequently, the center of mass in limbs is located closer to the denser areas, such as the trunk or where the muscles are more concentrated, rather than at the geometric midpoint.
Which of following is the term used to describe a bodys resistance to a change in motion?
Inertia, inertial mass, or mass. All the same.
Why is the center of mass of a 1-m length of pipe at its midpoint whereas this is not true for your arm or leg?
The center of mass of a uniform 1-meter pipe is at its midpoint because its mass is evenly distributed along its length. In contrast, the human arm or leg has varying densities and shapes, with muscles, bones, and fat distributed unevenly. This variation causes the center of mass to shift away from the geometric midpoint, often closer to the denser parts of the limb. Therefore, the center of mass reflects the distribution of mass rather than just the length.
Where is center of mass of a sphere?
The center of mass of a sphere is its geometric center.
Where is the center of mass of a ball?
The center of mass of a soccer ball is its geometric center.
What is the relationship between center of mass and mass distribution?
The center of mass is the point where an object's mass is considered to be concentrated. The mass distribution refers to how the mass is distributed within the object. The position of the center of mass depends on the mass distribution of the object.
Can the center of mass of a body lie where there is no mass absolutely and give an example.?
No, the center of mass of a body cannot lie where there is no mass. The center of mass is a point that represents the average position of all the mass in a system. In the absence of mass, there is no center of mass.
What did they do with the bodies when the mass graves were full Holocaust?
they made other Jewish workers burn their bodys in the crematorium
What bodies of water surround Bulgaria?
In the East Black Sea mass
How do you maintain center of mass when mass is added?
The simplest answer is to add the mass at the center of mass. In that case, the total mass will increase, but not the center of mass. If the additional mass is not added at the center of mass, then it must be balanced with more mass at a location on the object that depends upon the object's shape. That's where things get complicated.
What is the distance from the center of earth to its center of mass?
The geometric center and the center of mass of the Earth are essentially the same point.
What is the main difference between center of mass and center of gravity?
Since gravity is produced by mass, the center of mass is also the center of gravity. The only difference between these two concepts is that mass is a more basic quantity, so the center of mass would also be the center of inertia, as well as the center of gravity. In practice, these terms can be used interchangeably.
