Flipping Physics
Mints on a Rotating Turntable - Determining the Static Coefficient of Friction
A turntable is turning 45 revolutions per minute. Mints are located 0.030 m, 0.080 m, and 0.130 m from the center of the record. Determine what you can about the coefficient of static friction between the turntable and the mints.
Flipping Physics
AP Physics 1: Dynamics Review (Newton's 3 Laws and Friction)
Review of all of the Dynamics topics covered in the AP Physics 1 curriculum.
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
Deriving the Work-Energy Theorem using Calculus
Use the integral and derivative to derive the Work-Energy Theorem or what I prefer to call the Net Work-Kinetic Energy Theorem.
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
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
(1 of 2) Measuring the Rotational Inertia of a Bike Wheel
That’s right, we actually measure the rotational inertia of a bicycle wheel. How cool is that?
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...
Physics Girl
Free Body Diagrams - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 5 (Free Body Diagrams) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video:...
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.
Virtually Passed
Conservation of Energy Part 2: Kinetic Energy
I derive the formula for Kinetic Energy and show that the total work done by all the forces acting on an object = 0.5 m (V2^2 - V1^2)
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?
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.
FuseSchool
Changing Velocity
CREDITS Animation & Design: Joshua Thomas jtmotion101@gmail.com Narration: Dale Bennett Script: Bethan Parry, Keith Ross and Alistair Haynes Have you ever been on a merry-go-round in a carnival? As you are swinging around, you are...
Flipping Physics
Altitude of Geostationary Orbit (a special case of Geosynchronous Orbit)
Calculate the altitude of a satellite in geostationary orbit which is an orbit with the same 24 hour period as the Earth and always located directly over the same location on the equator. Geostationary orbit is a special case of...
Flipping Physics
Conservation of Energy Problem with Friction, an Incline and a Spring by Billy
Billy helps you review Conservation of Mechanical Energy, springs, inclines, and uniformly accelerated motion all in one example problem.
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
g is Positive.
We draw a free body diagram and sum the forces on an object in projectile motion to prove the acceleration due to gravity, g, is positive. Want Lecture Notes? http://www.flippingphysics.com/g-is-p... This is an AP Physics 1 and an AP...
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...
Virtually Passed
Sum of Moments equals I alpha proof
Here I prove the result that the sum of moments about the center of mass = I_G alpha and the sum of moments about a fixed point = I_o alpha.
Flipping Physics
How to Wear A Helmet - A PSA from Flipping Physics
Wearing a helmet is all about impulse, change in momentum and the force of impact. This video illustrates why you should secure your helmet to your head. Thank you very much to Colton and Jean Johnson who said yes when I asked them if I...
Flipping Physics
A "Show All Your Work!" Example
I demonstrate that the magnitude of the force normal and force of gravity acting on an object are not always the same, even though many students want to assume this is true. This is an example of where showing your work is incredibly...
Flipping Physics
Introductory Static Friction on an Incline Problem
A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline?
Flipping Physics
Introductory Kinetic Friction on an Incline Problem
You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline?