diff --git a/legacy/ephysics/src/bin/test_bouncing_ball.c b/legacy/ephysics/src/bin/test_bouncing_ball.c
index 2fb081d5b2..beb87e04ba 100644
--- a/legacy/ephysics/src/bin/test_bouncing_ball.c
+++ b/legacy/ephysics/src/bin/test_bouncing_ball.c
@@ -14,9 +14,9 @@ _on_keydown(void *data, Evas_Object *obj __UNUSED__, Evas_Object *src __UNUSED__
      return EINA_FALSE;
 
    if (strcmp(ev->keyname, "Up") == 0)
-     ephysics_body_central_impulse_apply(body, 0, 300);
-   else if (strcmp(ev->keyname, "Down") == 0)
      ephysics_body_central_impulse_apply(body, 0, -300);
+   else if (strcmp(ev->keyname, "Down") == 0)
+     ephysics_body_central_impulse_apply(body, 0, 300);
    else if (strcmp(ev->keyname, "Right") == 0)
      ephysics_body_central_impulse_apply(body, 300, 0);
    else if (strcmp(ev->keyname, "Left") == 0)
diff --git a/legacy/ephysics/src/bin/test_jumping_balls.c b/legacy/ephysics/src/bin/test_jumping_balls.c
index 9fa0016252..084d9586b3 100644
--- a/legacy/ephysics/src/bin/test_jumping_balls.c
+++ b/legacy/ephysics/src/bin/test_jumping_balls.c
@@ -23,7 +23,7 @@ _jump(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
    elm_object_disabled_set(bt, EINA_TRUE);
    bodies = ephysics_world_bodies_get(world);
    EINA_LIST_FOREACH(bodies, l, body)
-      ephysics_body_central_impulse_apply(body, 0, 300);
+      ephysics_body_central_impulse_apply(body, 0, -300);
    eina_list_free(bodies);
 }
 
diff --git a/legacy/ephysics/src/bin/test_velocity.c b/legacy/ephysics/src/bin/test_velocity.c
index b541bf770d..ba2ffc4367 100644
--- a/legacy/ephysics/src/bin/test_velocity.c
+++ b/legacy/ephysics/src/bin/test_velocity.c
@@ -25,9 +25,9 @@ _on_keydown(void *data, Evas_Object *obj __UNUSED__, Evas_Object *src __UNUSED__
      return EINA_FALSE;
 
    if (strcmp(ev->keyname, "Up") == 0)
-     ephysics_body_central_impulse_apply(body, 0, 300);
-   else if (strcmp(ev->keyname, "Down") == 0)
      ephysics_body_central_impulse_apply(body, 0, -300);
+   else if (strcmp(ev->keyname, "Down") == 0)
+     ephysics_body_central_impulse_apply(body, 0, 300);
    else if (strcmp(ev->keyname, "Right") == 0)
      ephysics_body_central_impulse_apply(body, 300, 0);
    else if (strcmp(ev->keyname, "Left") == 0)