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Introductory Physics Homework Help
Which Force is Represented by the Gradient of the Ball-Wall Collision Graph?
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[QUOTE="mjc123, post: 6030133, member: 610180"] The gradient is negative, i.e. away from the wall (the ball's initial momentum is positive, i.e. towards the wall). If it was ball on wall, the gradient would be the same but with opposite sign, i.e. positive. More generally, the force acting on on an object is equal to the rate of change of momentum of the object. So in any graph like that (momentum of an object vs. time), the gradient of the line is the force [I]acting on[/I] the object. [/QUOTE]
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Introductory Physics Homework Help
Which Force is Represented by the Gradient of the Ball-Wall Collision Graph?
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