Investigate how torque causes an object to rotate. Discover the relationships between angular acceleration, momentof inertia, angularmomentum and torque.
研究扭矩如何让物体转动。找出角加速度、惯性矩、角动量和扭矩之间的关系。
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Just as linear momentum is the product of mass and velocity, so the angularmomentumof a body is defined as the product of its moment of inertia and its angular velocity.