Analysis of the Position of the Accelerated Instantaneous Axis of a Rigid Body in Space Motion
In order to analyze the acceleration of a rigid body in space motion,this paper proposes a method to determine the position of the instantaneous axis of acceleration(or dynamic axis)of a rigid body moving in space in various cases.The results show that,for the rigid body in space motion,when the angular velocity vector is parallel to the angular acceleration vector,there exists the acceleration instantaneous axis(or dynamic axis),at this time,the rigid body can be regarded as rotating around the acceleration instantaneous axis(or dynamic axis),that is,the ac celeration instantaneous axis(or dynamic axis)method is used to solve for the acceleration at any one point on the rigid body.It is more convenient and quicker to analyze the acceleration of each point on the rigid body in space motion by this method.
space motionaccelerated instantaneous axisaccelerated dynamic axisaxial acceleration projec tion theorem
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