Asymmetrical Object
Asymmetrical Object - Related Videos
08:19
Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
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Cited by 4 •
2016
Here, we present a protocol to quantify precise stepping in rodents. Cortical and the spinal central pattern generator signals are required for precise foot-placement during obstructed locomotion. We report here the novel constrained walking task that directly examines precise stepping behavior.
04:24
Studying Cell Rolling Trajectories on Asymmetric Receptor Patterns
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Cited by 3 •
2011
We describe a protocol to observe and analyze cell rolling trajectories on asymmetric receptor-patterned substrates. The resulting data are useful for engineering of receptor-patterned substrates for label-free cell separation and analysis.
01:11
Rotation of Asymmetric Top
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2023
By definition, a spherically symmetric body has the same moment of inertia about any axis passing through its center of mass. This situation changes if there is no spherical symmetry. Since most rigid bodies are not spherically symmetric, these require special treatment. The relationship between the angular momentum of any rigid body and its angular velocity, both of which are vectors, involves the moment of inertia. The moment of inertia is a scalar quantity only for spherically symmetric...
14:38
Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Cited by 12 •
2012
We describe a novel methodology for creating naturalistic 3-D objects and object categories with precisely defined feature variations. We use simulations of the biological processes of morphogenesis and phylogenesis to create novel, naturalistic virtual 3-D objects and object categories that can then be rendered as visual images or haptic objects.
10:14
Object Substitution Masking
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University Visual masking is a term used by perceptual scientists to refer to a wide range of phenomena in which in an image is presented but not perceived by an observer because of the presentation of a second image. There are several different kinds of masking, many of them relatively intuitive and unsurprising. But one surprising and important type of masking is called Object Substitution Masking. It has been a focus of research in vision...
FAQs
The center of mass provides a reference for predicting how an asymmetrical object will balance. Because mass may be distributed unevenly, this point can lie away from the geometric center. Comparing the center of mass with a support or an applied force helps determine whether the body remains balanced or tends to rotate.
An applied force can change an object's overall motion while also producing torque, which is the tendency to rotate. For an asymmetrical body, the force and the center of mass may not align in a way that prevents rotation. The resulting combination of translation and torque determines its subsequent motion.
The moment of inertia depends on the rotation axis because the object's mass is distributed at different distances relative to that axis. Consequently, the same object can show different resistance to rotational acceleration when its orientation or axis changes. Accounting for this variation is essential when predicting rotational behavior.
Equilibrium requires the object's forces and rotational effects to remain balanced. If the center of mass, support conditions, and applied forces create an unbalanced torque, the object can begin to rotate even when its overall position appears stationary. Examining both force balance and torque therefore clarifies whether an arrangement is stable.
A useful analysis begins by identifying the object's shape and uneven mass distribution, then locating its center of mass. Physicists next examine the applied forces and determine whether they create torque. Finally, they evaluate the moment of inertia about relevant axes to predict translation, rotational acceleration, balance, or equilibrium.
These principles guide the design and analysis of machines, structures, vehicles, and experiments involving irregular bodies or changing orientations. Predicting balance, stability, torque, and rotational response helps determine how such systems behave under applied forces. The same analysis also supports evaluation of whether an arrangement can maintain equilibrium during operation.