Unity 2D：碰撞触发器

Question

So here it is, I am making a game for my thesis. The game is called hacky sack, I am making a game for my thesis. The game is called hacky sack, I am having a problem when my trigger is true because the collision for my character and the object is passing through and if idon`t have a trigger it was just basically hitting it even when my Player is running.

And can you guys help me on how the Object/Sack going up randomly when it hit. So here is my code :

 public void Sipa()
 {
   if (canSipa == true)
    {
     _pitcha.GetComponent<Rigidbody2D>().AddForce(new Vector2(-400, 1000));
    }
 }

}

And here is for my object

private void OnTriggerEnter2D(Collider2D collision)
{
    if(collision.gameObject.tag == "Player")
   {
       _player.GetComponent<PlayerManager>().canSipa = true;
     }
}

 private void OnTriggerExit2D(Collider2D collision)
 {
    if (collision.gameObject.tag == "Player")
   {
   _player.GetComponent<PlayerManager>().canSipa = false ;
  }
 }

}

Answer 1

add a second collider , slightly larger then the first, mark it trigger . leave the smaller inner collider for physics. you "foot" should enter the trigger and activiate it, then collide with the inner collider . make sure the collider marked trigger is the larger one.