Contração de Lorentz
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
contração espaço
About this calculator
Lorentz contraction is a physical phenomenon that occurs when an object moves at speeds close to the speed of light. In this case, the length of the object appears to decrease for a stationary observer.
The formula used to calculate Lorentz contraction is L' = L·√(1−v²/c²), where L is the original length of the object, v is the velocity of the object, and c is the speed of light. This formula is fundamental to understanding how space and time are affected by relativity.
Lorentz contraction is important in situations where objects move at extremely high speeds, such as in subatomic particles or in astronauts traveling at speeds close to the speed of light. In these cases, the contraction of length can have significant implications in terms of physics and engineering.
It is important to note that Lorentz contraction is an effect that occurs only in the direction of motion. This means that, if an object moves along an axis, only the length in that direction will be affected, while the perpendicular dimensions will remain unchanged.
Frequently asked questions
What is Lorentz contraction?
Lorentz contraction is a physical phenomenon that occurs when an object moves at speeds close to the speed of light, causing the length of the object to appear to decrease for a stationary observer.
When is Lorentz contraction important?
Lorentz contraction is important in situations where objects move at extremely high speeds, such as in subatomic particles or in astronauts traveling at speeds close to the speed of light.
How does Lorentz contraction affect the length of an object?
Lorentz contraction affects only the length of the object in the direction of motion, while the perpendicular dimensions remain unchanged.
What is the formula used to calculate Lorentz contraction?
The formula used is L' = L·√(1−v²/c²), where L is the original length of the object, v is the velocity of the object, and c is the speed of light.
Is Lorentz contraction a real effect?
Yes, Lorentz contraction is a real effect predicted by Einstein's theory of relativity and confirmed by experiments.