00:02 Analyze external non-conservative forces doing work on a system. 01:34 Non-conservative external forces cause changes in total mechanical energy 02:49 Non-conservative forces can do positive work on a system in motion. 04:11 Demonstrated kinetic energy change on bar chart 05:31 Applying principles of energy transfer to a numerical example. 06:52 Calculating work and potential energy in energy transfers 08:16 Using work equation to solve for displacement and final potential energy 09:42 Work done equals final potential energy, solving for height
![What is Work in Physics? - [1-7]](/img/n.gif)
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Glad they have helped. Keep up the hard work.
thank you!!
00:02 Analyze external non-conservative forces doing work on a system.
01:34 Non-conservative external forces cause changes in total mechanical energy
02:49 Non-conservative forces can do positive work on a system in motion.
04:11 Demonstrated kinetic energy change on bar chart
05:31 Applying principles of energy transfer to a numerical example.
06:52 Calculating work and potential energy in energy transfers
08:16 Using work equation to solve for displacement and final potential energy
09:42 Work done equals final potential energy, solving for height