Lecture

Free-Fall Motion means an object moving under the influence of gravity only. Any object that is being acted upon only by the force of gravity is…

Isaac Newton was the first to connect the concepts of force and mass to produce acceleration. This lecture briefly explain Newton’s Second Law of Motion. Newton’s second…

This lecture focus to describe on History of Space Travel (1957- 2006). In the 1950s; during the Cold War the USA and the USSR competed in everything…

The sun’s energy has been used for centuries to: Dry clothes and Dry meats. Plants use solar energy to make food through a process called…

The Sun that dominates our daytime sky and provides the thermal energy necessary to support life on Earth is of course — a star. Its…

Main purpose of this lecture is to present on Structure of Sun. The sun has six layers. Three layers, the corona, chromosphere, and photosphere, comprise the sun’s…

The Sun is an ordinary middle-sized star. The sun creates energy by nuclear fusion in its core. The visible surface of the Sun is called…

Primary purpose of this lecture is to present on Properties of Sun. Here briefly summarize the overall properties of the Sun; Where does the light we…

Newton’s second law provides an explanation for the equal accelerations of freely falling objects of various masses. Acceleration is equal when air resistance is negligible. Acceleration…

Primary purpose of this lecture is to present on Mass and Weight. Mass is the quantity of matter in an object. It is also the measure of…

Principle purpose of this lecture is to present on Conceptual Physics: Newton’s Second Law of Motion. This lecture will help you understand: Force Causes Acceleration; Friction; Mass and Weight; Mass Resists…

Major purpose of this lecture is to present on Physics of Body Crashing. If a body of mass m is in constant motion no acceleration or deceleration…