Recent content by ZeusPerseus

Duh, you'r right, I was equating forces on the two masses should be equal and opposite, versus accelerations on the two masses being equal and opposite. I got a little too sophisticated in my analysis.

Yes, conservation of momentum is to be applied to situation in which ball B is suddenly jerked upward. In this particular case, the absolute value of the momentum of ball A prior to the jerk will equal the sum of the absolute values of the momentum of ball A and B after the jerk. Absolute...

It appears to me that a large part of the problem is that the term "absolute space" has not been fully defined. If "absolute space" means to you that there existed (at some point) in classical physics a preferred inertial frame, then the answer is no, there was not, unless you go back in time...

Also ask yourself has the velocity of the block in the x direction (assumed to be the original direction) changed? If so, why, and by how much? If not, why not? Use this information to help label the magnitude of the sides of the triangle in the diagram.

In your original post, you wrote "Analyzing the spring image, we can see that the net force (always shorthand for the net external force as all internal forces in a system cancel out by Newton's 3rd Law) would equal zero. Thus, our line integral would result in a value of zero, and thus we may...

The vector sum of all the external forces on a system (regardless as to where on the system they are applied) will equal the sum of the individual masses in the system times the vector acceleration of the masses. $$\sum\limits_i {{{\bf{F}}_i}} = \sum\limits_j {{m_j}} {{\bf{a}}_j}$$ The vector...