diff --git a/Engine/source/T3D/rigid.cpp b/Engine/source/T3D/rigid.cpp
index 7b84a7e18..ffdcda6ff 100644
--- a/Engine/source/T3D/rigid.cpp
+++ b/Engine/source/T3D/rigid.cpp
@@ -117,6 +117,7 @@ void Rigid::updateCenterOfMass()
 
 void Rigid::applyImpulse(const Point3F &r, const Point3F &impulse)
 {
+   if (impulse.lenSquared() < mass) return;
    atRest = false;
 
    // Linear momentum and velocity
diff --git a/Engine/source/T3D/rigidShape.cpp b/Engine/source/T3D/rigidShape.cpp
index 217d5f2df..f4f294198 100644
--- a/Engine/source/T3D/rigidShape.cpp
+++ b/Engine/source/T3D/rigidShape.cpp
@@ -1118,7 +1118,7 @@ void RigidShape::updatePos(F32 dt)
       {
          F32 k = mRigid.getKineticEnergy();
          F32 G = mNetGravity* dt * TickMs / mDataBlock->integration;
-         F32 Kg = 0.5 * mRigid.mass * G * G;
+         F32 Kg = mRigid.mass * G * G;
          if (k < sRestTol * Kg && ++restCount > sRestCount)
             mRigid.setAtRest();
       }
diff --git a/Engine/source/T3D/vehicles/vehicle.cpp b/Engine/source/T3D/vehicles/vehicle.cpp
index 721bf2fba..263f83eb1 100644
--- a/Engine/source/T3D/vehicles/vehicle.cpp
+++ b/Engine/source/T3D/vehicles/vehicle.cpp
@@ -808,7 +808,7 @@ void Vehicle::updatePos(F32 dt)
       {
          F32 k = mRigid.getKineticEnergy();
          F32 G = mNetGravity* dt * TickMs / mDataBlock->integration;
-         F32 Kg = 0.5 * mRigid.mass * G * G;
+         F32 Kg = mRigid.mass * G * G;
          if (k < sRestTol * Kg && ++restCount > sRestCount)
             mRigid.setAtRest();
       }