Movement Script help. Script won't make my 3D object move,Why wont this movement script work.

Im trying to make this 3D Object (cube) move on a terrain, the terrain is flat nothing added to it. The 3D object had rigidBody and this script attached to it. using System.Collections; using System.Collections.Generic; using UnityEngine;

public class PlayerMovement : MonoBehaviour { public float playerSpeed = 10.0f; public float playerRotationSpeed = 100.0f;

void update() { // Get the horizontal and vertical axis using arrow keys. // The value is in the range -1 to 1 // make it move 10 meters per second instead of 10 meters per frame... float translation = Input.GetAxis("Vertical") playerSpeed Time.deltaTime; float rotation = Input.GetAxis("Horizontal") playerRotationSpeed Time.deltaTime;

     // Move Translation along object's z-axis
     transform.Translate(0, 0, translation);

     // Rotate around our y-axis
     transform.Rotate(0, rotation, 0);
 }

}