Flipping Physics
Dart with Thin Rod Collision - Conservation of Angular Momentum Demonstration and Problem
A 5.3 g dart is moving vertically at 16.5 m/s just before it collides with and sticks to a 33.9 cm long, thin piece of cardboard. If the dart hits the 71.8 g piece of cardboard 28.7 cm from its fixed end, to what maximum angle does the...
Flipping Physics
Introductory Conservation of Mechanical Energy Problem using a Trebuchet
Learn how to use the Conservation of Mechanical Energy equation by solving a trebuchet problem.
Flipping Physics
Introductory Centripetal Force Problem - Car over a Hill
A 453 g toy car moving at 1.05 m/s is going over a semi-circular hill with a radius of 1.8 m. When the car is at the top of the hill, what is the magnitude of the force from the ground on the car?
Flipping Physics
Analyzing Water in a Bucket Revolving in a Vertical Circle
Analyzing the forces acting on a bucket of water which is revolving in a vertical circle.
Flipping Physics
How Much is a Mermaid Attracted to a Doughnut?
How Much is a Mermaid Attracted to a Doughnut? A practical, everyday example of Newton’s Universal Law of Gravitation.
Flipping Physics
Determining the Force Normal on a Toy Car moving up a Curved Hill
A 0.453 kg toy car moving at 1.15 m/s is going up a semi-circular hill with a radius of 0.89 m. When the hill makes an angle of 32° with the horizontal, what is the magnitude of the force normal on the car?
Flipping Physics
Conical Pendulum Demonstration and Problem
A conical pendulum is demonstrated and it’s angular velocity is determined.
Flipping Physics
Wheel Conservation of Angular Momentum Demonstration and Solution
A #SpinningWheel is rotated while sitting on a stool. #AngularMomentumConservation is demonstrated. And an example problem is solved.
Flipping Physics
The Force of Gravitational Attraction between the Earth and the Moon
According to NASA, the mass of the Earth is 5.97 x 10^24 kg, the mass of the Moon is 7.3 x 10^22 kg, and the mean distance between the Earth and the Moon is 3.84 x 10^8 m. What is the force of gravitational attraction between the Earth...
Flipping Physics
Harnessing the Power of Spreadsheets in Physics
Basic demonstration of how to use spreadsheets in an introductory physics class.
Catalyst University
AC Joint Test Item Cluster | Rationale & Interpretation
In this video, I explain and demonstrate the special tests of the AC joint test item cluster. More specifically, we cover the rationale, interpretation of results, and psychometric properties for these tests: [1] Cross-body ADDuction...
Flipping Physics
Minimum Speed for Water in a Bucket Revolving in a Vertical Circle
What is the minimum angular speed necessary to keep water in a vertically revolving bucket? The rope radius is 0.77 m.
Weatherthings
Hands on Weather - Heat
Three simple weather demonstrations you can do at home or at school to show the properties of heat, using your hands and everyday materials.
Flipping Physics
Throwing a Ball in a Boat - Demonstrating Center of Mass
When I throw a massive ball to the left such that it lands in the other end of the canoe, what will happen to the positions of the objects? What if the ball does not land in the canoe?
Flipping Physics
Calculating the Force of Impact when Stepping off a Wall
A 73 kg mr.p steps off a 73.2 cm high wall. If mr.p bends his knees such that he stops his downward motion and the time during the collision is 0.28 seconds, what is the force of impact caused by the ground on mr.p?
Physics Girl
What is a quantum coin toss?
Quantum coin flipping is the fairest way to flip a coin over the phone. How does it work?!
Flipping Physics
Painter on a Scaffold - Don't Fall Off!!
What is the closest to the end of a 93 g uniform meterstick you can place a 200.0 g object and have the system stay balanced? The meterstick is supported at the 20.0 cm and 80.0 cm marks.
Flipping Physics
Demonstrating How Helmets Affect Impulse and Impact Force
Demonstrating and measuring how a helmet changes impulse, impact force and change in time during a collision.
NASA
The Invisible Network: 11. Reflections | NASA's The Invisible Network Podcast
For billions of years, the Earth and the Moon have danced together. Since the Apollo era, scientists have used lasers — a technology then in its infancy — to measure their waltz. Lasers have since played increasingly important roles in...
Flipping Physics
Uniformly Angularly Accelerated Motion Introduction
Using Uniformly Accelerated Motion (UAM) as a framework to learn about Uniformly Angularly Accelerated Motion (UαM). Just like UAM, UαM has 5 variables, 4 equations and if you know 3 of the UαM variables, you can determine the other 2...
Flipping Physics
Introductory Conservation of Momentum Explosion Problem Demonstration
Now that we have learned about conservation of momentum, let’s apply what we have learned to an “explosion”. Okay, it’s really just the nerd-a-pult launching a ball while on momentum carts.
Flipping Physics
(Torque Solution) Acceleration of a Wheel descending on a Rope
A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...
NASA
NASA in Silicon Valley: NASA Conducts 'Out of Sight' Drone Tests in Nevada: NASA in Silicon Valley Podcast
A feature from NASA’s Ames Research Center in Silicon Valley originally posted on October 19, 2016.
Catalyst University
Lever Test | Rationale & Interpretation
In this video, I explain and demonstrate the lever test, a special test used in the assessment of ACL injuries. More specifically, we cover the test procedure, interpretation of results, and psychometrics.