Physics is built on a foundation of math and it seeks to explain all phenomena in the universe. It forms the basis for other sciences like chemistry and biology. Physics uses simple yet elegant …

Let's think about what physics is and what topics are covered in an introductory physics course.

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From the tiniest grains of sand to the biggest stars in our cosmos. But, they defy Newton's laws. To understand them, we need a new set of principles called quantum mechanics which we …

Aug 18, 2025 · Explore Khan Academy’s updated AP Physics 1 and NGSS-aligned Middle School Physics courses, featuring new videos, interactive practice, and hands-on activities to support …

NCERT Physics Class 11 15 units · 170 skills Unit 1 Units and measurement Unit 2 Motion in a straight line Unit 3 Vectors (Prerequisite)

Transverse and longitudinal waves are two types of mechanical waves, which involve the transfer of energy through a medium (e.g. water, air, a solid). Learn about transverse and longitudinal …

Circular motion basics: Angular velocity, period, and frequency Direction of radius, velocity and acceleration vectors in uniform circular motion

Aug 14, 2025 · Middle school physics * With these hands-on, interactive resources, students don’t just memorize facts—they analyze data, construct explanations, engage in scientific …