On some problems about the motion and force of kinematic friction of an axially-symmetric rigid body
抄録
Present authors discussed the rolling motion of an axially-symmetric rigid body such as a sphere or a column on an inclined plane with an initial angular velocity and no initial velocity of center of gravity in detail. The body rotates, slides, or both according to the relations among the coefficient of kinematic friction μ′, that of static friction μ and an inclined angle. In this paper, we also showed the definition of kinematic frictional force F = μ′N is of no significance in some cases under the condition μ′> μ.
軸対称物体の運動と動摩擦力の問題点について
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