PreparED Study Materials
Notes
Videos
Electromagnetic vs. Gravitational Forces: A Comparative Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relative strengths of two fundamental forces, the electromagnetic force and the gravitational force, in this enlightening physics tutorial. Learn about Coulomb's law and Newton's law of gravitation, and uncover the significant difference in their constants that makes the electromagnetic force much more powerful than gravity.
Pebble Velocity for Horizontal Impact on Juliet's Window
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the physics behind calculating the velocity of pebbles thrown by Romeo to hit Juliet's window with only a horizontal component.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Vector Addition: Can Different Magnitudes Equal Zero?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us in exploring the fascinating world of vectors and vector addition. In this video, we answer a fundamental question: Can two vectors with different magnitudes ever sum to zero? Delve into the principles of vector mathematics and discover the insights behind this intriguing concept. Tune in for a mind-expanding journey through the world of mathematics!
Physics Behind Normal Force: Car & Driver on a Hill's Rounded Top at S
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the concept of normal force on a sports car and its driver atop a hill. Utilize Newton's second law to calculate these forces based on speed and hill curvature. Discover the speed at which the driver feels weightless in the car.
How is work related to energy?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the profound link between these two fundamental concepts in physics, and understand how they relate through the Work-Energy Theorem.






