Force accelerates center of mass same regardless of where applied?

samedi 31 mai 2014

Is it true that the center of mass of an object will be accelerated with the same direction and magnitude from the same force no matter if the force is applied to the center of the object or to the edge of the object?



I have heard some people say this is not true because some of the "force" will be used up as torque in making the object spin.



However, from what I remember of high school physics the original statement is true. As far as intuitively understanding this I can picture it being because the side you are pushing is accelerated more but the far side is accelerated less and it averages out to the same center of mass movement.



Sorry if this makes no sense :) Thanks to anyone who can help!





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