PreparED Study Materials
Videos
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.
Spring-Mass System Dynamics with Hammer Impact
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing dynamics of a spring-mass system, set in motion by a hammer's impact. Learn about period, frequency, amplitude, acceleration, position over time, and the total energy of this unique scenario.
Newton's Third Law and Force Pairs: System of Interest Impact
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Delve into Newton's third law of motion and explore how the choice of the 'system of interest' influences whether force pairs cancel each other out.
Flashlight Bulb Power and Battery Terminal Voltage
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Illuminate the science of flashlight power! In this video, we explore how a 6V bulb is powered by a 3V battery with an internal resistance. We calculate the power dissipation of the bulb and the terminal voltage of the battery, unraveling the physics of electrical circuits.
Squirrel's Fall: Velocity and Deceleration Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Analyze the physics of a falling squirrel, calculating its velocity upon hitting the ground and the deceleration due to limb bending.
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.


















