Check out example codes for "unity rigidbody addforce". It will help you in understanding the concepts better.
Code Example 1
using UnityEngine;public class ExampleClass : MonoBehaviour
{
public float thrust = 1.0f;
public Rigidbody rb; void Start()
{
rb = GetComponent<Rigidbody>();
rb.AddForce(0, 0, thrust, ForceMode.Impulse);
}
}
Code Example 2
rb = GetComponent<Rigidbody>();
rb.AddForce(new Vector3(1.5f,1.5f,1.5f));
Code Example 3
public Rigidbody rb; //make reference in Unity Inspector
public float SpeedX = 0.1f;
public float SpeedY = 0.5f;
rb.AddForce(new Vector2(SpeedX, SpeedY));
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