Are Newton's three laws applicable everywhere?

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In summary, Newton's three laws are not universally applicable, but they are still very useful in most places, especially on Earth at low speeds and energies. However, they are not effective at high velocities near the speed of light or in extreme gravitational conditions like black holes. Einstein's theory of gravity expands upon Newton's laws by including energy and pressure. Recently, the Pioneer Spacecraft has been observed to have unexpected acceleration towards the sun, which cannot be fully explained by Newton or Einstein's theories. Overall, despite their limitations, Newton's laws remain a monumental achievement in the study of planetary orbits and have been instrumental in guiding us to the moon. However, they cannot be applied in cases involving quantum mechanics or extremely high speeds.
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blackwing1
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Are Newton's three laws applicable everywhere in the universe?
 
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Not really, but most places, especially here on Earth a low speeds and energies. but they are still very useful. They are not good at velocities at a high percent of lightspeed, c, nor near singularities where gravity is intense...like black hole interiors/centers...but then nothing else works very well there either. Considering he not only derived the laws but the differential and integral calculus for planetary oribits,etc,...a monumental achievemnt of the human mind...

Einstein's gravity ala Newton was expanded from just mass to energy and pressure which Newton did not know about...

Just now Pioneer Spacecraft are observed to be under an unanticipated acceleration, not understood, towards the sun, that varies from Newton and Einstein theories...if the preliminary data is in fact substantiated...
 
  • #3
As our teacher tells us if they got us to the moon they are useful.

However in the quantam level and cases with very high speed they cannot be used.
 

1. Are Newton's three laws applicable everywhere?

Yes, Newton's three laws of motion are considered fundamental principles of physics and they apply to every object in the universe, regardless of where it is located.

2. Is there any evidence that supports the universality of Newton's laws?

Yes, there have been numerous experiments and observations that have confirmed the applicability of Newton's laws in various situations and locations, including on Earth, in space, and on other planets.

3. Are there any exceptions to Newton's laws?

Yes, there are certain situations where Newton's laws may not apply, such as in the presence of extremely strong gravitational fields or at very high speeds close to the speed of light. In these extreme cases, Einstein's theory of relativity may provide a more accurate description of motion.

4. Can Newton's laws be used to explain all types of motion?

No, Newton's laws mainly apply to objects moving at relatively low speeds and in relatively small scales. For objects moving at very high speeds, quantum mechanics may provide a more accurate explanation of their motion.

5. How do Newton's laws relate to other laws of physics?

Newton's laws are considered the foundation of classical mechanics, which is a branch of physics that deals with the motion of objects at a macroscopic scale. They are also compatible with other fundamental laws of physics, such as the laws of thermodynamics and electromagnetism.

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