PreparED Study Materials
Videos
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.
Ground Ball Throw: Distance to Second Base and Vertical Drop
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us on the baseball field as we calculate the physics of a ground ball throw to second base. In this video, we determine the distance from the shortstop to the second baseman and the vertical drop of the ball. Explore the principles of projectile motion in sports.
Surviving Extreme Deceleration: David Purley's Remarkable Story
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the incredible tale of David Purley's survival in a high-speed car crash! In this video, we calculate the magnitude of the acceleration he experienced during the rapid deceleration from 173 km/h to zero. Learn how to express it in units of gravity and explore the limits of human endurance.
Advantages of Laboratory-Based Measurement Standards
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the key reasons why measurement standards rooted in laboratory procedures offer advantages over standards based on specific objects, like the international prototype kilogram. Dive into the world of metrology and standardization in this informative video.
Projectile Motion: Calculating Horizontal and Vertical Distances
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the world of projectile motion as we calculate the horizontal and vertical distances a launched projectile covers. Explore the impact of angle and speed on the trajectory, all explained in this engaging video.
Warm Hands by Friction: Temperature Increase Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us to explore the science of hand-warming through friction in this video. We calculate the temperature increase as a woman rubs her hands together, converting work into thermal energy. Dive into the physics of heat generation and discover how friction can keep you warm.















