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Analysis of Situations Involving External Forces
The previous part discussed the relationship between work and energy change. Whenever work is done upon an…
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Mechanical Energy as the Ability to Do Work
An object that possesses mechanical energy is able to do work. In fact, mechanical energy…
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Mechanical Energy
It was said previously that work is done upon an object whenever a force acts…
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Kinetic Energy
Kinetic energy is the energy of motion. An object that has motion - whether it is…
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Potential Energy
An object can store energy as the result of its position. For example, the heavy…
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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…