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Inertia is the tendency of objects in motion to stay in motion and objects at rest to stay at rest, unless a force causes its speed or direction to change. It is one of the fundamental principles in classical physics, and described by Isaac Newton in his first law of motion (also known as The Principle of Inertia).
Learn about the law of inertia, also known as Newton's first law of motion, which states that an object will continue to be in the state of rest or in a state of motion unless an external force acts on it. Explore the types of inertia, the experiments by Galileo, and the examples of inertia in everyday life.
- 108 min
- According to the law of inertia, An object will continue to be in the state of rest or in a state of motion unless an external force acts on it.
- Law of inertia is also known as Newton’s first law of motion.
- The tendency of moving back when the stationary bus starts to move. Moving forward when a sudden brake is applied.
INERTIA definition: 1. lack of activity or interest, or unwillingness to make an effort to do anything: 2. the…. Learn more.
Inertia, property of a body by virtue of which it opposes any agency that attempts to put it in motion or, if it is moving, to change the magnitude or direction of its velocity. It is a passive property and does not enable a body to do anything except oppose such active agents as forces and torques.
- The Editors of Encyclopaedia Britannica
Learn the scientific and everyday meanings of inertia, a property of matter that resists change in motion or state. Find synonyms, examples, word history, and related phrases for inertia.
The web page for Newton's First Law of Motion: Inertia - Physics | OpenStax is not working properly. It shows an error message and asks to restart the browser or visit the support center.
Learn how Newton's first law, also called the law of inertia, explains why objects only change their velocity due to a net external force. Explore examples, definitions, and solved problems involving mass, force, and acceleration.
