unity rotate object with rigidbody code example

Example 1: how to rotate object unity

public Transform Position; // make reference in inspector

Position.Rotate(x, y, z);

Example 2: how to randomly rotate rigidbody of object in unity

public float speed; private Rigidbody2D rigidbody2d;  void Start() {     rigidbody2d = GetComponent<Rigidbody2D>();     rigidbody2d.angularVelocity = Random.value * speed; }