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Calculating the Amount of Work Done by Forces
In a previous topic, work was described as taking place when a force acts upon an…
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Definition and Mathematics of Work
Force and mass information were used to determine the acceleration of an object. Acceleration information…
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Solving Explosion Momentum Problems
Since total system momentum is conserved in an explosion occurring in an isolated system, momentum…
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Equal and Opposite Momentum Changes
Just like in collisions, the two objects involved encounter the same force for the same…
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Momentum Conservation in Explosions
As discussed in a previous part of Lesson 2, total system momentum is conserved for collisions…
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Using Equations as a Guide to Thinking
The three problems on the previous page illustrate how the law of momentum conservation can be used…
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Using Equations as a Recipe for Algebraic Problem-Solving
As discussed in a previous part of Lesson 2, total system momentum is conserved for collisions…
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The Money Transfer Analogy
If a system is not isolated, then the total system momentum is not conserved. To…
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What is an Isolated System?
A system is a collection of two or more objects. An isolated system is a…
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Isolated Systems
The previous part of Lesson 2 focused on the Law of Conservation of Momentum. It was stated that…