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Ram explains the difference between liquids and gasses (both fluids). He then starts a calculation of the work done on a liquid in a U-shap…

f(x)=ln(√x) is a composition of the functions ln(x) and √x, and therefore we can differentiate it using the chain rule. Class 11 Physics (I…

The center of mass is a point in a system that responds to external forces as if the total mass of the system were concentrated at this poi…

Ram explains what it means for a collision to be elastic or inelastic. Class 11 Physics (India) - Hindi To help students who prefer to lear…

Why do astronauts appear weightless despite being near the Earth? Class 11 Physics (India) - Hindi To help students who prefer to learn by …

Let's think about why sounds would have to get softer as you get further from the source Class 11 Physics (India) Let's learn, practice, an…

What is the acceleration due to gravity at the space station? Class 11 Physics (India) - Hindi To help students who prefer to learn by watc…

In this video David shows how to relate the angular displacement to the arc length, angular velocity to the speed, and angular acceleration…

In this video, Ram explains how to use a force vs. time graph to find impulse and solves an example problem to find the final velocity of a…

In this video, David explains how Louis De Broglie got his Nobel Prize for the idea of matter having a wavelength. Class 12 Physics (India)…

Hans Christian Ørsted made this famous observation in 1819. Physics Learn about the basic principles that govern the physical world around …

We can think of the forces between charges as something that comes from a property of space. That property is called the electric field. Cl…

Let's now do the math to calculate the equal speed at which both A and B could be traveling away from a "neutral" observer. Physics Learn a…

Primer on identifying balanced and unbalanced forces Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics …

Deriving formula for centripetal acceleration from angular velocity. Class 11 Physics (India) - Hindi To help students who prefer to learn …