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回転力

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A particle is located at position r relative to its axis of rotation. When a force F is applied to the particle, only the perpendicular component F⊥ produces a torque. This torque τ = r × F has magnitude τ = |r| |F⊥| = |r| |F| sin θ and is directed outward from the page.

トルクの物理学的基礎とメカニズム回転運動を支配する力の正体

トルク回転力角運動量ニュートンメートル
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