Apply AddForce on the Players Rigidbody?

ATM im teleporting the player a bit to simulate the movement in a direction...
would be much smoother and more natural if i could use AddForce from unityengine ...
with an WorldEntity like an dropped items that works .. didnt got it to the player tho..

Code:

var Body = victim.transform.gameObject.GetComponent<Rigidbody>();    
            Body.useGravity = true;
            Body.AddForce(1f,2.6f,3.1f);