SciShow
These Baby Shrimp Really Pack a Punch!
Many species of mantis shrimp rely on their incredible punching abilities to stun their prey. But it turns out they don’t have to be mature mantis shrimp to start getting their punch on. And baby Philippine mantis shrimp can punch nearly...
Curated Video
Potential Energy
Potential Energy compares and contrasts gravitational potential energy and elastic potential energy by examining characteristics of each.
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Dynamics Formula Sheet
In this video I cover some of the main formulas used for a standard dynamics course: 1) Plane motion 2) Projectile motion 3) Circular motion 4) Dry Friction (static and dynamic) 5) Relative motion (for non rotating relative axes) 6)...
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Work Energy proof part 4
In this video I generalize the formula derived from the previous 3 videos, define Mechanical Energy and talk briefly about conservative and non conservative forces. Note mechanical energy is conserved if no forces (other than gravity and...
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mechanical energy example problem part 1
What is the velocity of the black just BEFORE it hits the spring? Notice that the 2 non conservative forces are your normal force and your friction force. i) 2.56m/s ii)0.0989m
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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...
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Conservation of Energy Part 4: Elastic Energy
Here I derive the work done by a spring once stretched/ compressed. I also define EE = 0.5 k X^2
Catalyst University
Temporomandibular Joint 😲 | Biomechanics Part 2/2
In this video, we explore the biomechanics of the temporomandibular joint with emphasis on the specific muscles that activate during each phase of mouth opening and closing.
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Conservation of Energy Part 5: Mechanical Energy and Conservative and non Conservative forces
Here I pool the results of all the previous videos together to get a fascinating result - the conservation of Mechanical Energy
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Mechanical Energy example spring compression
This video covers a basic example which involves the work energy equation.
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Work Energy proof part 3 - Elastic Energy
In this video I prove (in the 1D case) that the work done by a spring on a particle is equal to the change in elastic energy.
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Derivation of Pendulum equations method 1
Derivation of Pendulum equations method 1
Khan Academy
Khan Academy: Arterial Stiffness: Compliance Decreased Blood Pressure
Find out how compliance allows arteries to store elastic energy (and lower pressure). [9:54]
Khan Academy
Khan Academy: Stored Elastic Energy in Large and Middle Sized Arteries
See how arteries behave like slingshots, shooting blood (not rocks) onwards! Rishi is a pediatric infectious disease physician and works at Khan Academy. [6:20]