rigidbody addforce 2d code example

Example 1: how to make rb.addforce 2d

public Rigidbody rb; //make reference in Unity Inspector

public float SpeedX = 0.1f;
public float SpeedY = 0.5f;

rb.AddForce(new Vector2(SpeedX, SpeedY));

Example 2: how to add reference to rigidbody 2d

public Rigidbody2D rb;