force | The force to add to the Y component of the Linear Velocity in the local space of the Rigidbody2D. |
mode | The method used to apply the specified force. |
Adds a force to the Y component of the Rigidbody2D.linearVelocity in the local space of the Rigidbody2D only leaving the X component of the local space Rigidbody2D.linearVelocity untouched.
Additional resources: Rigidbody2D.AddRelativeForceX and Rigidbody2D.AddRelativeForce.