Physics Help Forum Rate of change im momentum

 Kinematics and Dynamics Kinematics and Dynamics Physics Help Forum

 May 31st 2017, 01:46 PM #1 Junior Member   Join Date: May 2017 Posts: 2 Rate of change im momentum Good Day, My name is Rabia. I would like to know he the rate of change in momentum is the same for objects of 2 different sizes if the same size force is acting on it? Can anyone help?
 May 31st 2017, 02:33 PM #2 Physics Team     Join Date: Jun 2010 Location: Naperville, IL USA Posts: 2,271 Momentum is mass times velocity, and for objects with constant mass the rate of change of momentum is mass times acceleration. From Newton's Second Law, F=ma, so the rate of change of momentum of an object is equal to the force applied to it. Hence it doesn't matter what the value of m is - the rate of change of momentum is always equal to the force applied.
 May 31st 2017, 02:39 PM #3 Junior Member   Join Date: May 2017 Posts: 2 Rate of change in momentum Thanks @ChipB that was super helpful. It's my first time on this forum but it's amazing to have such fast results while study for the June exams. Thanks a mil Rabia kavinmathi likes this.
 Jun 4th 2017, 07:08 PM #4 Junior Member   Join Date: Jun 2017 Posts: 1 Yep. The derivative (rate of change) of momentum is simply F. dp/dt = F
Jun 4th 2017, 10:41 PM   #5
Senior Member

Join Date: Aug 2008
Posts: 110
 Originally Posted by Bernoulli Yep. The derivative (rate of change) of momentum is simply F. dp/dt = F
actually, $\dfrac{dp}{dt}=F_{net}$

 Tags change, frictionless, momentum, net forces, rate

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