Motor torque on the wheel axle. Positive or negative depending on direction.

To simulate brakes, do not use negative motor torque - use brakeTorque instead.

	// spin the wheel forward
	collider.motorTorque = 10;

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        collider.motorTorque = 10;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		collider.motorTorque = 10