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  2. Hill's muscle model - Wikipedia

    en.wikipedia.org/wiki/Hill's_muscle_model

    The net force-length characteristics of a muscle is a combination of the force-length characteristics of both active and passive elements. The forces in the contractile element, in the series element and in the parallel element, F C E {\displaystyle F^{CE}} , F S E {\displaystyle F^{SE}} and F P E {\displaystyle F^{PE}} , respectively, satisfy

  3. Active and passive transformation - Wikipedia

    en.wikipedia.org/wiki/Active_and_passive...

    In the passive transformation (right), point P stays fixed, while the coordinate system rotates counterclockwise by an angle θ about its origin. The coordinates of P ′ after the active transformation relative to the original coordinate system are the same as the coordinates of P relative to the rotated coordinate system.

  4. English auxiliary verbs - Wikipedia

    en.wikipedia.org/wiki/English_auxiliary_verbs

    The first English grammar, Bref Grammar for English by William Bullokar, published in 1586, does not use the term "auxiliary" but says: All other verbs are called verbs-neuters-un-perfect because they require the infinitive mood of another verb to express their signification of meaning perfectly: and be these, may, can, might or mought, could, would, should, must, ought, and sometimes, will ...

  5. Glossary of language education terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_language...

    Compare active listening. Active vocabulary (also called productive vocabulary) Vocabulary that students actually use in speaking and writing. Active Related to student engagement and participation. For example, listening is perceived to be a passive skill, but is actually active because it involves students in decoding meaning. Alphabet

  6. Passive transport - Wikipedia

    en.wikipedia.org/wiki/Passive_transport

    Passive diffusion across a cell membrane.. Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. [1] [2] Instead of using cellular energy, like active transport, [3] passive transport relies on the second law of thermodynamics to drive the movement of substances across cell membranes.

  7. Passive sign convention - Wikipedia

    en.wikipedia.org/wiki/Passive_sign_convention

    Illustration of the "reference directions" of the current (), voltage (), and power () variables used in the passive sign convention.If positive current is defined as flowing into the device terminal which is defined to be positive voltage, then positive power (big arrow) given by the equation = represents electric power flowing into the device, and negative power represents power flowing out.

  8. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Auxiliary verb - Wikipedia

    en.wikipedia.org/wiki/Auxiliary_verb

    An auxiliary verb (abbreviated aux) is a verb that adds functional or grammatical meaning to the clause in which it occurs, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany an infinitive verb or a participle, which respectively provide the main semantic content of the clause. [1]