Why is the platform not moving up?

Question

Unity

private void Update()
    {
        rb2d.MovePosition(Vector2.up * speed * Time.deltaTime);
    }

She simply twitches in place. In Rigidbody2D Put Kinematic

Answer 1

Because MovePosition takes a new position as an argument. Here you have it and moved to Vector2.up * speed * Time.deltaTime and rubs there