how can i get the Player Rigidbody to move it? because i have many players

Questions & Answers
1

private void OnCollisionEnter(Collision speedc)
{
if (speedc.collider.tag == “Player”)
{

        var speedCube = transform.forward *100;
        // i need to move any Player attached this cube. how?
        rb.AddForce(speedCub , ForceMode.Acceleration);
        
    }

}
2

RigidBody rb = speedc.gameObject.GetComponentInParent();