Bozeman Science
PS3C - Relationship Between Energy and Forces
In this video Paul Andersen describes the relationship between energy and forces. When objects are directly touching electromagnetic forces can result in forces and energy exchange. When objects are not directly touching fields;...
Bozeman Science
Thinking in Energy - Level 6 - Conservation of Energy
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Energy - the...
Virtually Passed
Energy analysis of forced spring mass damper system
Here I derive expressions for the energy added per cycle due to both the harmonic excitation force and the damper. The work done by the spring per cycle = 0. An alternative way to approach this is to find the average power into the system.
Bozeman Science
Electromagnetic Forces
In this video Paul Andersen explains how electromagnetic forces are exerted over all scales and dominate at the human scale. The magnitude of electromagnetic forces vary with the magnitude and motion of the electric charges involved.
Kids Academy
Pushing and Pulling | What is the difference? | Force and Energy for Kids
Pushing and Pulling | What is the difference? | Force and Energy for Kids Kids Academy Talented and Gifted Program for kids aged 2-10: We have seen adults confused between push and pull for their whole lives. This happens when the...
Virtually Passed
Conservation of Mechanical Energy Proof (2DoF)
Here is a quick math heavy proof of the conservation of mechanical energy in a 2 dimensional system. The proof in 3 dimensions is the exact same. Notice that the definition of the potential in the one dimensional system dV/dx = - F is...
Professor Dave Explains
Work and Energy
What's work? Not that place you go to earn money. In physics it means something else. And what's energy? Not like in the groovy sense. Actually, energy is one of the most improperly used words in the English language. Let physics define...
Virtually Passed
Complicated dynamics problem using energy methods
Here we solve for the velocity of a disk as it's rolling up a circular hill using energy methods 1) Find work done by external forces (it's 0). 2) Notice there is rotation so the kinetic energy is 0.5 m (v2^2 - v1^2) + 0.5 I (w2^2 -...
Physics Girl
Simple Harmonic Motion - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 16 (Simple Harmonic Motion) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises...
Neuro Transmissions
What Is Energy?
Energy is vital to powering our brains, our bodies, and our entire universe. Find out a little more about the different kinds of energy and how they impact your on a daily basis.
Curated Video
Kinetic vs. Potential Energy
Kinetic vs. Potential Energy examines kinetic and potential energy by defining and providing examples of each.
Professor Dave Explains
Simple Harmonic Motion: Hooke's Law
Springs are neat! From slinkies to pinball, they bring us much joy, and now they will bring you even more joy, as they help you understand simple harmonic motion. Who doesn't love a good oscillation now and again? Check it out.
Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
Curated Video
Electroweak Theory and the Origin of the Fundamental Forces
Our universe seems pretty complicated. We have a weird zoo of elementary particles, which interact through very different fundamental forces. But some extremely subtle clues in nature have led us to believe that the forces of nature were...
Bozeman Science
Interaction Forces
In this video Paul Andersen explains how forces on an object always require another object. An object cannot exert a force on itself. If net forces on an object are balanced the object will remain at rest or move with a constant...
Bozeman Science
Potential and Kinetic Energy
Mr. Andersen explains the difference between potential and kinetic gravitational energy. He also uses physics to calculate the energy in various objects.
Flipping Physics
Nonuniform Circular Motion - Ball in a Vertical Circle
Analyzing the velocities, accelerations, forces, and nonuniform circular motion of a ball on a string moving in a vertical circle. Want Lecture Notes? Content Times: 0:00 Reviewing Uniform Circular Motion 0:30 Nonuniform Circular Motion...
Curated Video
Particle Motion of Gases and Temperature's Effect on Pressure
This is a lecture video on particle motion of gases, explaining how the temperature of a gas affects the motion of its particles and its pressure. The video starts by describing the kinetic energy of gas particles and how they collide...
Virtually Passed
Conservation of Mechanical Energy Proof (1DoF)
Here is a quick proof of the conservation of mechanical energy in a 1 dimensional system. Conservation of mechanical energy only exists if their are strictly conservative forces acting on the particle. If there are non conservative...
Flipping Physics
AP Physics C: Simple Harmonic Motion Review (Mechanics)
Calculus based review of Simple Harmonic Motion (SHM). SHM is defined. A horizontal mass-spring system is analyzed and proven to be in SHM and it’s period is derived. The difference between frequency and angular frequency is shown. The...
Curated Video
Braking Distance and Kinetic Energy: Calculation and Strategies
This is a lecture video on braking distance and kinetic energy. The video discusses how to calculate the braking distance of an object by using equations for the work done by a force and the kinetic energy of a moving object. It explains...
Flipping Physics
Simple Harmonic Motion - Graphs of Mechanical Energies
Kinetic energy and elastic potential energy as functions of time graphs for a horizontal mass-spring system in simple harmonic motion are demonstrated. Conservation of energy is shown.
Flipping Physics
Induced Forces - Review for AP Physics C: Electricity and Magnetism
AP Physics C: Electricity and Magnetism review of motional emf via Newton’s Second Law and Faraday’s Law, induced forces on current carrying loops, electric motor basics, and back emf. 0:00 Motional EMF via Newton's Second Law 6:25...
Flipping Physics
AP Physics 1: Review of Simple Harmonic Motion
Review of the Simple Harmonic Motion topics covered in the AP Physics 1 curriculum.
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