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Straight line around which an object rotates
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- An axis is a straight line around which an object rotates. Movement at a joint takes place in a plane about an axis. There are three axes of rotation.
www.physical-solutions.co.uk/wp-content/uploads/2015/05/Understanding-Planes-and-Axes-of-Movement.pdfUnderstanding Planes and Axes of Movement - Physical Solutions
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Any rigid body has three principal axes, which are mutually orthogonal, or can be chosen to be so. If a body has an axis of symmetry then rotations about that axis will be dynamically balanced; in other words that axis is a principal axis.
- 4.6 Euler's Equations
In terms of coordinate axes that lie along the principal...
- 4.4 Moment-of-inertia Tensor
A scalar can be thought of as a zeroth-rank tensor and a...
- 4 Rigid-body Motion
4 Rigid-body motion. 4.1 Angular momentum and angular...
- 4.6 Euler's Equations
A symmetric, non-spherical top in general has a spin around its top axis, plus an additional spin around an axis that can make an angle with the top axis - and is, in general, non-principal. So what do the principal axes of inertia mean?
When drawing a chart or a graph, the independent variable goes on the horizontal (x) axis and the dependent variable goes on the vertical (y) axis. Once this has been identified, follow these...
The Principals Axes are the three mutually perpendicular axes in a body about which the moment of inertia is maximized.
Jul 20, 2022 · The simplest set of axes is known as the Cartesian axes, \(x\)-axis, \(y\)-axis, and the \(z\)-axis, that are at right angles with respect to each other. Then each point \(P\) in space can be assigned a triplet of values \(\left(x_{P}, y_{P}, z_{P}\right)\).
Introduce the concept of air resistance. Review kinematic equations. The most important concept in projectile motion is that when air resistance is ignored, horizontal and vertical motions are independent, meaning that they don’t influence one another.
Aug 11, 2021 · Describe vectors in two and three dimensions in terms of their components, using unit vectors along the axes. Distinguish between the vector components of a vector and the scalar components of a vector. Explain how the magnitude of a vector is defined in terms of the components of a vector.
