[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

physics/hookes_law.py

@@ -1,7 +1,7 @@
 # Hookes Law
 """
-Hookes Law states that the Force is directly proportional to the extension 
-or compression of an elastic object, provided the limit of proportionality 
+Hookes Law states that the Force is directly proportional to the extension
+or compression of an elastic object, provided the limit of proportionality
 is not exceeded.
 
 Formulae : F = -k*x
@@ -10,8 +10,8 @@
 k: Spring constant
 x: displacement from the equilibrium position
 
-The negative sign indicates that the restoring force acts in the opposite 
-direction to the displacement, always working to bring the object back to 
+The negative sign indicates that the restoring force acts in the opposite
+direction to the displacement, always working to bring the object back to
 its original state.
 
 Reference: https://en.wikipedia.org/wiki/Hooke%27s_law