The Brumbies had to work hard for this one but at the end they outscored the Force by five tries to two.
For the Brumbies, Tom Wright, Tom Banks, Will Miller, Len Ikitau and Andy Muirhead all got over for tries with Kuenzle kicking three conversions.
The Force points came from tries by Fergus Lee-Warner and Jono Lance, with Prior getting both conversions over.
The game started evenly with the Force getting the first points when Lee-Warner got over.
The Force had the better of the opening exchanges but the Brumbies started to get the upper. Two of the Brumbies tries was disallowed in the first half.
They were finally rewarded with a try from Wright in the 32nd minute of the game. They got their second just before halftime when Banks was put in space.
This gave the log leaders a 10-7 lead at the break.
It was the Brumbies with the better start in the second half and it was Miller that got over in the corner from a long pass by White.
The Force did not lie down and they came back at the Brumbies which saw Lance get over for his try.
That brought the scoreboard to 17-14 for the Brumbies.
The Brumbies up the tempo again and it was Ikitau who was next over for his try in the last quarter of the match to extend their lead again.
The last few minutes it was all Brumbies and they secure the bonus point when Muirhead got over.
Brumbies – Tries: Tom Wright, Tom Banks, Will Miller, Len Ikitau, Andy Muirhead. Conversions: Bayley Kuenzle (3).
Western Force – Tries: Fergus Lee-Warner, Jono Lance. Conversions: Ian Prior (2).