A virtual displacement in classical mechanics represents an infinitesimal instantaneous change in system coordinates consistent with constraints.

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SUPPORTED

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2 sources for · 0 against

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Is it true that a virtual displacement in classical mechanics represents an infinitesimal instantaneous change in system coordinates consistent with constraints?

Yes. In classical mechanics, a virtual displacement is defined as an infinitesimal, instantaneous change in system coordinates that adheres to the system's active constraints.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked 31 Jul 2026

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Evidence for · 2

Wikipedia: Virtual displacement

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Wikipedia: Virtual displacement. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Virtual_displacement

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en.wikipedia.org: Virtual displacement

States virtual displacement shows how a trajectory can deviate without violating constraints.

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en.wikipedia.org: Virtual displacement. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Virtual_displacement

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More for · 1

britannica.com: Virtual displacement | physics

Defines virtual displacement as an instantaneous change in coordinates consistent with constraints.

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britannica.com: Virtual displacement | physics. (n.d.). britannica.com. https://www.britannica.com/science/virtual-displacement

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first checked31 Jul 2026

judged → SUPPORTED · 7531 Jul 2026

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