Option for how to apply a force using Rigidbody.AddForce.
| Force | Add a continuous force to the rigidbody, using its mass. |
| Acceleration | Add a continuous acceleration to the rigidbody, ignoring its mass. |
| Impulse | Add an instant force impulse to the rigidbody, using its mass. |
| VelocityChange | Add an instant velocity change to the rigidbody, ignoring its mass. |