The uniform rectilinear movement, is the one that belongs to matter or in the natural science that is physics, and it is a very interesting subject, that if you know it a little well you will be able to realize why some things related to this subject happen. So in this article I will teach you about what is the uniform rectilinear movement.
It is when an object has a straight trajectory with a constant speed, since its acceleration is zero. It can be noted that the rectilinear movement can also be non-uniform, in case the relationship between time and position is somewhat complicated.
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Movement behavior
The MRU (uniform rectilinear movement) has the following characteristics:
- its constant speed. It is the one that implies the constant magnitude and directions.
- The movement that it performs on a straight line.
- The magnitude of this speed in which it receives the name of speed or speed without having an acceleration.
For this movement, the space that it walks must be quantified in order to multiply the magnitude of the speed by the time in which it elapsed. This can also be used with the trajectory if it is not straight as long as the speed of the speed is firm. Therefore, this movement can be considered in 2 ways; a negative speed is the one that represents the movement that goes in a direction contrary to the sense that we have conventionally chosen as positive.
According to Newton’s First Law, any point particle that remains in uniform rectilinear motion or at rest is when there is no external force acting on the body, since the current forces are those that are in equilibrium., so its state is of uniform rectilinear motion or rest. This is an ideal situation, since there have always been forces that alter the motion of the particles, for which the uniform rectilinear motion (or MRU) is somewhat difficult to find the amplified force.
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Applications
- The MRU is widely used in astronomy. Since the stars and the planets do not move in a straight line, but as light is the one that always moves in a straight line, and always goes at the same speed.
- Knowing well the distance that is in the object, you can know the time it takes for light to travel that distance. (An example: If the sun is 150,000,000 km away, therefore, light will take 500 seconds (8 minutes and 20 seconds) to reach the earth). Although reality is a bit more complicated, with relativity in the middle, but with many features we can say that light follows a uniform rectilinear motion (or MRU).
Physics
- It is a natural science, which learns the important elements of our universe, which are energy, space-time and etc. This science is very basic and is intertwined with mathematics and logic, both in formulation and quantification.
- The scope of physics is incredibly broad and can include studies as diverse as theoretical physics or optics and quantum mechanics. As for modern physics, it is the one that is oriented towards a growing specialization, where researchers focus on areas that are particular, rather than being universalists like Albert Einstein or Lev Landau, who worked in the multiplicity of areas.
- This science is one of the oldest of all academic disciplines (since astronomy is one of its many disciplines). Beginning more than two thousand years ago with his first works of the Greek philosophers. And in the last 2 millennia, this science was recognized as part of what is now called chemistry, philosophy and some branches that make up mathematics and biology.
- But in the Scientific Revolution during the 17th century it became a modern science, unique in its own right. However, there are some spheres like quantum chemistry and mathematical physics, the limits of this natural science with the other branches of science are difficult to distinguish. Since the formulation of theories about the laws which are the ones that control the universe is a central objective that physics has since ancient times.
- Now that you know about some things that are related to the uniform rectilinear movement, now we can move on to the main topic.