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Centripetal and Centrifugal Acceleration Force

WebForce on a planet = F = m w 2 r = mr (2 p /T) 2 = 4 p 2 mr/T 2 Newton assumed an inverse square law of force between the bodies, that is: F = km/r 2 where k is a constant. The … Web此时若f方向沿绳向内,则F=T+f=mw2r②,联立①②得：4μmg-f=mw2r，由于0≤f≤mg,可知m2r最大值为4mg。若f方向沿绳向外,则F=-f=m2r③,联立①③得4mg+f=mw2r,可知m2r最大值为5μmg,此时甲、乙转速最大。将mw2r=5umg,取mg代入③,可得绳上拉力的最大值为6μmg,故A正确,BCD错误。 how did daenerys give birth to dragons

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Web任何物体之间都有相互吸引力，这个力的大小与各个 物体的质量成正比例，而与它们之间的距离的平方成反比。如果用M 、m 表示两个物体的质量，r 表示它们间的距离，则物体 间相互吸引力为F= GMm/r 2，G 称为万有引力常数，其值约为6.67×10 -11 单位 N·㎡ /kg 2。 WebPart 2: Formula for centrifugal force It is calculated by the formula, F= mw2r F= Centrifugal force m= mass w= angular velocity r = distance from the axis Part 3: Conclusion As per … Web大学 物理非惯性系动力学（二） 2 ma F m r m r m v = − + − 2 对于匀速转动， 该项为零 惯性离心力 科里奥利力 2 a a r r v = + − + 2 绝对加速度 2 a a r r v = − + − 2 相对加速度 1.平面转动参考系 how did daki turn into a demon