Скачать или смотреть General Physics 1: Lecture: Mass & Normal Forces — Apparent Weight and Accelerating Systems

In this lecture, we explore the relationship between mass, weight, and the normal force — the supporting force provided by surfaces. We also introduce the concept of apparent weight, examining how acceleration changes the forces we experience in everyday situations like elevators, free fall, and supporting objects. This lecture builds directly on Newton’s Second Law and prepares us for analyzing forces in more complex systems.

Key Concepts
• Distinguishing between mass and weight
• Understanding the normal force in equilibrium and motion
• Calculating apparent weight in accelerating systems
• Examples: elevators, free fall, and cushioned catches
• Connecting normal forces to free body diagrams

Resources
• Course Home Page: https://www.darinulness.com/teaching/...
• Full Course Notes (PDF): https://drive.google.com/file/d/19n2g...
• Playlist:    • General College Physics 1  

Suggested Textbook
Knight, R.D., Jones, B., & Field, S. College Physics: A Strategic Approach (4th Edition). Pearson, 2019.
Any non-calculus-based college physics textbook works well as a supplement.

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