Robinson has named a team showing 11 changes to the XV which began Saturday's unconvincing 34-24 win over Romania in Invercargill, with Allan Jacobsen, Kelly Brown, Sean Lamont and Max Evans the only players retained on Wednesday.
Rory Lawson will captain the side, which features his Gloucester team-mates Scott Lawson, Jim Hamilton and Alasdair Strokosch in a pack selected to front up to a Georgia side deemed to possess more accomplished forwards than Romania.
Robinson said: "Right across the board there's real physicality about the side - we need to bring that physicality out in the way we play.
"One of the things we allowed Romania to do was get go-forward through their maul, through their scrum, but also through their pick and go and we've got to be able to stop that."
Robinson and his management team decided not to deviate from the prior selection plan despite the chaos caused by Romania's pack, the head coach insisting the scale of the changes was dictated by the proximity of the matches, rather than the performance on Saturday.
Scotland will be seeking a fifth successive victory in the game with Georgia, who are coached by former Scotland boss Richie Dixon, have won their last eight fixtures and came close to a shock defeat of Ireland in the last tournament four years ago.
Robinson added: "We see this Georgia game as a really tough game. We expect it to be harder than the Romania game.
"They want a place at the Six Nations table and they see this as an opportunity to put their hand up for that.
"This is a huge game for them in terms of being on the global stage and if you think back to 2007 they got very close."
While pleased with the four tries which secured the bonus-point success against Romania, Robinson was frustrated by the number of penalties conceded by his side and aspects of the defence around the breakdown.
With Scotland's third Pool B match taking place on September 25, the Georgia game is a chance for players to secure their position for the match with Argentina in Wellington.
Robinson added: "They have a huge opportunity against a very good side, a physical side, to put their hands up. It's about performing on the day.
"Every player has points to prove. That's what we're looking for - the players collectively going out and performing."
Euan Murray will join Jacobsen and Scott Lawson in the front row, Hamilton will line up alongside Nathan Hines at lock, with Strokosch and Brown joined in the back row by Ross Rennie.
Dan Parks will start at fly-half with a centre combination of Graeme Morrison and Nick De Luca and Sean and Rory Lamont joined by Evans in the back three.
On the replacements' bench, Scotland have opted for five forwards and two backs in anticipation of the forward challenge posed by Georgia.
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