Bozeman Science
Systems
In this video Paul Andersen explains how systems are two or more objects that interact with one another. If a system has no relevant internal structure it can be treated as an object. The conservation laws apply to energy, charge and...
SciShow Kids
The Coolest Machine Ever!
Jessi and Squeaks have a new invention to show you! They built it using what they know about simple machines and with a little inspiration from a cartoonist named Rube Goldberg!
SciShow Kids
Need a Lift Try a Pulley!
Jessi and Squeaks just got a new telescope, and they can't wait to check out the night sky! But there's just one problem: it's too heavy to bring up the stairs into the observatory! Join them as they learn about a simple machine that can...
Bozeman Science
Simple Machines
Mr. Andersen explains the simple principles behind simple machines. He shows how the mechanical advantage of a simple machine can increase the input force. A brief discussion of work is also included.
Curated Video
Gears and pulleys – Jigsaw
What is it? ... It's a pulley! Physical processes - Force and motion - Gears and pulleys A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.
Curated Video
How the Egyptians built the pyramids
Discover how a simple system of pulleys helped the Egyptians build some of the wonders of the world. Physical processes -Force and motion - Gears and pulleys Learning Points Pulleys reduce the amount of force needed to move something....
Curated Video
Cycling to school
Discover how bike gears make pedalling easier. Physical processes -Force and motion - Gears and pulleys Learning Points Gears make pedalling a bike easier. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts...
Wonderscape
Revolution on the Move: The Mechanics of the Wheel and Axle
Dive into the mechanics of the wheel and axle, a simple machine that transforms how we transport objects and reduce effort. This video covers the integration of wheels in everyday tools like cars, bicycles, and dollies, explaining how...
Great Big Story
This Man Escaped the Iron Curtain by Zip Line
Join Daniel Paul on an extraordinary journey from the oppressive grip of Czechoslovakia's Communist regime to the dazzling lights of Las Vegas. In this captivating narrative, Daniel recounts his daring escape alongside physicist Robert...
Great Big Story
This Man Escaped the Iron Curtain by Zip Line
Join Daniel Paul on an extraordinary journey from the oppressive grip of Czechoslovakia's Communist regime to the dazzling lights of Las Vegas. In this captivating narrative, Daniel recounts his daring escape alongside physicist Robert...
Curated Video
Compound Machines
Dr. Forrester describes compound machines and the simple machines that make them.
Curated Video
Types of Simple Machines
Dr. Forrester discusses various types of simple machines, such as the lever, pulley, wedge, wheel and axle, screw, and inclined plane.
Flipping Physics
2012 #2 Free Response Question - AP Physics C: Mechanics - Exam Solution
My solutions to Free Response Question #2 from the 2012 AP Physics C: Mechanics Exam. Also included are my reflections on how to get perform better on the exam.
Flipping Physics
Mechanics #3 Free Response Question Solutions - AP Physics C 1998 Released Exam
This Free Response Question includes the following concepts: Free Body Diagrams (or Force Diagrams), Static and Kinetic Friction, Tension, Force Normal, Force of Gravity, Newton's Second Law (many times), a Multiple Bock System and a...
Flipping Physics
AP Physics C: Rotational Dynamics Review - 1 of 2 (Mechanics)
Calculus based review of moment of inertia for a system of particles and a rigid object with shape, the derivation of rotational kinetic energy, derivations of the following moments of inertia: Uniform Thin Hoop about is Cylindrical...
Visual Learning Systems
Simple Machines: Pulleys
A day does not go by without using simple machines. This program explores the six major types of simple machines with practical, colorful examples of each. Vivid video footage illustrates how each of the following simple machines works...
Virtually Passed
Static Friction Example 1
The maximum friction force that can be a applied on a stationary object is F_max = u_s N
Virtually Passed
Dynamics exam example problem
This is one dynamics example problem you could expect to see on your exam. It tests a variety of different topics. i) a_x = 2.21 m/s^2 ii) V_2 = 2.97 m/s downwards (once moved down 2 meters) iii) T_1 = 40.38N and T_2 = 76.01N
Flipping Physics
Using Integrals to Derive Rotational Inertia of a Long, Thin Rod with Demonstration
We use integrals to derive the #rotationalinertia of a uniform, long, thin rod. And we demonstrate our answer is correct using a Rotational Inertia Demonstrator.
Flipping Physics
2 Masses on a Pulley - Conservation of Energy Demonstration
Mass 1 and mass 2 hang from either side of a frictionless #pulley with #rotationalInertia, I, and radius, R. What is the angular acceleration of the pulley? Use #ConservationOfEnergy
Catalyst University
Cranial Nerve IV - Trochlear Nerve | Origin, Structure, Pathway & Function
In this video, we explore the following as it pertains to cranial nerve IV, the trochlear nerve: Origin Anatomy Functions Pathway to the eye
Flipping Physics
Graphing the Rotational Inertia of an Irregular Shape
We determine what data to collect to create a graph with rotational inertia as the slope of the best-fit line. Then we collect the data and determine the rotational inertia of an irregular shape.
Virtually Passed
Constrained motion of connected particles summary
To solve these types of problems, I think it's helpful to follow these steps: 1) Define positions 2) Find length 3) Differentiate
Professor Dave Explains
Practice Problem: Two-Dimensional Two-Body Problem
You're really getting good at building physics toys in your garage! Check this awesome pulley system. You put your physics knowledge to the test and try to make a prediction about what will happen when you let these two blocks go. Will...