PreparED Study Materials
Notes
Videos
Calculating Rope Tension from a Central Hanging Weight: A Physics Appr
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate rope tension with an object hanging in the center. Understand the relationship between the sag, the weight of the object, and the tension. Convert the result into kilonewtons for easy reference.
Unraveling Bead Motion: Force, Acceleration & Energy
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the dynamics of a bead under constant force. Understand its acceleration, velocity over time, and how to calculate its kinetic energy. Witness the interplay of motion equations and real-world applications in a simple system.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Electric Potential at Circle Center with Symmetric Charges
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating world of electric potential as we calculate the value at the center of a circular arrangement of five equally charged particles. Join us for a captivating journey into electrostatics and symmetry in this enlightening video.
Estimating Car's Initial Speed from Skid Marks: A Physics Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Estimate a car's initial speed from skid marks using physics principles. Apply Newton's Second Law and equations of motion to deduce the initial velocity. Understand the role of frictional force in car deceleration during accidents.
Critical Angle for Total Internal Reflection
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the magic of total internal reflection in this video! We explore how a ray of light refracts when traveling from glass into water. Find out the critical angle needed for total reflection, preventing any light from entering the water. Dive into the world of optics and refraction.


