4.6 • 612 Ratings
🗓️ 6 May 2025
⏱️ 33 minutes
🧾️ Download transcript
In this episode, we cover the topic of work and energy. We’ll start off by talking about work, which includes the mathematical and conceptual definitions and the sign convention of work. We’ll also talk a little bit about mechanical advantage and also path dependency. Moving on to energy, we’ll talk about the general definition of energy, we’ll compare and contrast energy in work and the different types of energy that includes kinetic energy, potential energy, thermal energy, and total mechanical energy. Lastly, we’ll talk about energy transfer, specifically heat transfer, and the three types of convection, conduction, and radiation.
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Jump Into the Conversation:
00:00 Introduction
05:27 Summary: Limits of equation for work and force
08:39 Positive work: force and displacement in same direction
09:32 Comparison of mechanical and thermodynamic work sign conventions
12:50 Work changes kinetic energy of moving objects
16:32 Friction and energy
22:25 Pitching
27:10 Kinetic and potential energy relation
32:14 Sun and heat transfer
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0:00.0 | Welcome to MCAT Basics, your ultimate guide to the essential topics you need to master for the MCAT, |
0:06.2 | brought to you by the physicians at med school coach. Every week, Sam Smith breaks down high-yield |
0:11.5 | MCAT topics, ensuring you're primed for success on test day. Join Sam as we explore the most |
0:17.2 | crucial subjects outlined by the AAMC pulled from official practice materials |
0:21.6 | and third-party resources. Get ready to elevate your MCAT game with topics tailored to maximize |
0:26.7 | your score potential. Hello, I'm Sam Smith. This podcast covers work and energy. I'll start by |
0:35.5 | talking about work, including topics like |
0:37.9 | the mathematical and conceptual definitions of work, assigned convention of work. I'll talk a little |
0:43.3 | bit about mechanical advantage and also path dependency. Then I'll get into energy. And in the |
0:49.6 | energy section of this podcast, I'll talk about the general definition of energy. I'll compare and contrast |
0:55.2 | energy and work. And I'll talk about the different types of energy. That includes kinetic energy, |
1:01.1 | potential energy, thermal energy, and total mechanical energy. And I'll talk last about energy |
1:07.2 | transfer, specifically heat transfer, which there are three types of. |
1:11.6 | That is convection, conduction, and radiation. |
1:14.6 | And this material will show up on one of the four MCAT sections. |
1:18.4 | That is the physics chemistry section. |
1:21.0 | This is all physics. |
1:22.2 | So this is like half of one of the sections. |
1:25.8 | And I hope you find this podcast helpful in your studies, |
1:28.5 | and good luck as you prepare for the MCAT. |
1:37.7 | So the first thing I want to talk about here is work. |
1:41.0 | And specifically, I want to talk about the concept of work. |
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