What does Newton's First Law of Motion describe?
Understand the Problem
The question is asking for the description of Newton's First Law of Motion and provides multiple choice options to select the correct one. It is focused on understanding the fundamental principles of motion as described by Newton.
Answer
An object remains at rest or moves uniformly unless acted upon by an external force.
Newton's First Law of Motion describes that an object will remain at rest or in uniform motion in a straight line unless acted upon by a net external force. This principle is also known as the law of inertia.
Answer for screen readers
Newton's First Law of Motion describes that an object will remain at rest or in uniform motion in a straight line unless acted upon by a net external force. This principle is also known as the law of inertia.
More Information
This law explains the concept of inertia, which is the resistance of any physical object to any change in its velocity.
Tips
Misunderstanding inertia as only related to moving objects is a common mistake. Inertia also keeps an object at rest if it is already at rest.
Sources
- Newton's First Law of Motion - The Physics Classroom - physicsclassroom.com
- What is Newton's first law? (article) - Khan Academy - khanacademy.org
- Newton's laws of motion | Definition, Examples, & History - Britannica - britannica.com
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