Newton's laws
Understand the Problem
The question seems to be referring to Newton's laws, likely invoking a request for information or clarification about Sir Isaac Newton's contributions to physics, particularly his laws of motion or universal gravitation.
Answer
Newton's first law involves unchanged motion without force; second law involves force equal to mass times acceleration; third law involves forces applied of equal magnitude and opposite direction.
Newton's first law states an object will not change its motion unless a force acts on it. Newton's second law states the force on an object is equal to its mass times its acceleration. Newton's third law states two objects apply forces to each other of equal magnitude and opposite direction.
Answer for screen readers
Newton's first law states an object will not change its motion unless a force acts on it. Newton's second law states the force on an object is equal to its mass times its acceleration. Newton's third law states two objects apply forces to each other of equal magnitude and opposite direction.
More Information
Newton's laws of motion laid the foundational principles for classical mechanics. They describe the relationship between a body and the forces acting upon it.
Tips
A common mistake is confusing the direction of forces in the third law. Always remember that action and reaction forces act on different objects.
Sources
- Newton's laws of motion - Britannica - britannica.com
- Newton's laws of motion - NASA - .grc.nasa.gov
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