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相关概念视频

Virtual Work01:20

Virtual Work

The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...

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相关实验视频

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Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality
10:38

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality

Published on: August 9, 2010

虚拟现实和远程存在

Giuseppe Riva

    Science (New York, N.Y.)
    |November 24, 2007
    PubMed
    概括

    No abstract available in PubMed .

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