Under which of these conditions can you conclude with certainty that the total momentum before a collision is the same as after the collision?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 103AP: Three skydivers are plummeting earthward. They are initially holding onto each other, but then push...
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Under which of these conditions can you conclude with certainty that the total momentum before a collision is the same as after the collision.
Under which of these conditions can you
conclude with certainty that the total
momentum before a collision is the same as
after the collision?
O
O
O
O
There are external net forces but the
objects in the system exert no forces on
each other.
Gravity is the only force acting on the
system.
The system of objects has no forces
from outside the system acting on it.
The forces that each object in a system
exerts on the other in any pair of objects
are equal in size and opposite in
direction.
Transcribed Image Text:Under which of these conditions can you conclude with certainty that the total momentum before a collision is the same as after the collision? O O O O There are external net forces but the objects in the system exert no forces on each other. Gravity is the only force acting on the system. The system of objects has no forces from outside the system acting on it. The forces that each object in a system exerts on the other in any pair of objects are equal in size and opposite in direction.
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