diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c21eada414cd6f3b6543783ac691b89c6bdf6e61..fcb38b704800703ef6bd2851c27addbd5b085a5b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -56,8 +56,8 @@ Then proceed with one of the following steps:
 ### Releasing a new Simox version
 
 1. check out or update the `master' branch
-2. icrease the version number X.Y.Z in the file config.cmake 
+2. increase the version number X.Y.Z in the file config.cmake 
 3. commit the changed config.cmake file
 4. add a tag with 'git tag -a "vX.Y.Z" -m"vX.Y.Z"'
-5. push with 'git push --tags'
+5. push with 'git push && git push --tags'
 6. The H2T jenkins server will automatically build a new simox package
\ No newline at end of file
diff --git a/SimDynamics/DynamicsEngine/BulletEngine/BulletObject.cpp b/SimDynamics/DynamicsEngine/BulletEngine/BulletObject.cpp
index 7ca161c8e1501f3ef3290d4bfab98b878a904697..95a6633ac9bdb3b928b2a27c807f1de9f5aaaff5 100644
--- a/SimDynamics/DynamicsEngine/BulletEngine/BulletObject.cpp
+++ b/SimDynamics/DynamicsEngine/BulletEngine/BulletObject.cpp
@@ -374,6 +374,7 @@ namespace SimDynamics
         }
 
         btVector3 btVel = BulletEngine::getVecBullet(force, false);
+        rigidBody->activate();
         rigidBody->applyCentralForce(btVel);
     }
 
@@ -387,6 +388,7 @@ namespace SimDynamics
         }
 
         btVector3 btVel = BulletEngine::getVecBullet(torque, false) * BulletObject::ScaleFactor;
+        rigidBody->activate();
         rigidBody->applyTorque(btVel);
     }