PreparED Study Materials
Videos
Angle Conversion: Radians to Degrees and Degrees to Radians
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to convert between radians and degrees for various angle measurements, expanding your understanding of angular units.
System of Interest's Impact on Force Pair Cancellation in Newton's Thi
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the nuances of Newton's third law and learn how the choice of the 'system of interest' influences force pair cancellation.
Athlete's Power: Watts in a 5m Rope Climb
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the physics behind an athlete's rope climb. Understand the relationship between power, force, and time, and how to calculate the minimum power output an athlete exerts. Witness the interplay of physics principles in evaluating athletic prowess.
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.
River Rescue: Angle for Direct Approach to Child
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for a dramatic river rescue mission! In this video, we solve the problem of how a rescue team can reach a child in danger of drowning in a fast-flowing river. We calculate the angle from the shore for their pilot to approach the child directly, considering the river's current and the boat's speed. Explore the principles of vector addition and save lives!
Skiing Down an Incline: Length and Time Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Embark on an exhilarating downhill ski adventure! In this video, we calculate the length of the incline and the time it takes for a skier to reach the bottom. Explore the physics of skiing on inclines and the thrill of motion.















