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The description of the movement of bodies by their position, velocity, acceleration (and possibly higher time derivatives, such as, jerk) without concern for the underlying dynamics/forces/causes.

1 vote
1 answer
98 views

Does distance matter for gravitational U in non-earth/ non-celestial-body systems?

Gravitational U = -Gm1m2/r, thus the distance (r) the two carts are apart affects how much U you end up with, no? Thus it also affects whether or no ME is ultimately conserved, because you can just se …
Alexander Ye's user avatar
2 votes
1 answer
122 views

Does mass matter at all for kinematics vertical questions w/o friction?

This is the specific question w/o information on mass given, I think here is not enough info. A block and a sphere are each released from rest at the top of an incline from the same height. The b …
Alexander Ye's user avatar