PreparED Study Materials
PHYS 123: Mechanics
School: Illinois Institute of Technology
Number of Notes and Study Guides Available: 3
Notes
Videos
Motorcycle vs. Bicycle Acceleration Comparison
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating comparison between the acceleration of a motorcycle going from 80 km/h to 90 km/h and a bicycle accelerating from rest to 10 km/h in the same time frame.
Projectile Motion: Speed, Height, Time & Range
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for an engaging exploration of projectile motion as we dissect a fascinating scenario. We delve into the physics of a projectile fired with an initial speed of 36.6 m/s at an angle of 42.2° above the horizontal on a flat firing range. Discover how to determine the maximum height, total time in the air, total horizontal distance covered (range), and the speed of the projectile 1.50 seconds after firing. This video will demystify the dynamics of projectiles in a clear and educational manne
U-Tube Liquid Heights: Exploring Oil & Water Density Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Exploring the behavior of oil and water in a U-shaped tube when a barrier is removed. Understand the impact of differing densities on fluid heights. Witness equilibrium scenarios effects of equal densities and the displacement dynamics of lighter liquids.
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!
Gymnast's Forces: Ring Hold and Floor Support
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us as we explore the dynamic world of gymnastics and the forces at play. In this video, we analyze a gymnast's routine on the rings, calculating the forces involved. Learn how the gymnast's body interacts with the rings and the floor, and discover how changes in arm angles affect the forces. Dive into the physics of human movement and gymnastics.
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.


