Here you go, Piston area and force.

OK,
Back to the topic. I should have been more specific.

Waaaaaay back in another thread, 273 claimed that a bigger piston made more hp because of the increased area. The extra area created more 'push'. Not on it's own. There is a sequence of events that occur to make this happen. The increased area allowed more air to be drawn in to the cyl, & the extra air & the increase in compression pressure generated is what pushes the piston down. The bigger piston area was a means to get more air into the cyl [ just like increasing the stroke does ]. If no more air was drawn into the cyl for some reason, then no more hp would be made with the larger piston.

I don't how many examples are needed, I have given heaps. 273, you know I am correct, it s a pity you haven't got the guts to admit it.

Here are yet more examples:
[1] You centre punch a piece of alum, which leaves a depression in the alum. You then get a punch with a flat bottom & hit it with the same force. There is no depression in the alum because the force is spread over a bigger area; the bigger area of the flat punch did NOT give a deeper depression.
[2] You are going drag racing with your Dart. You are going to replace the skinny 5" factory wheels/tyres with slicks. The contact area of the tyre/ground goes from 15 sq in for the factory tyre to 30 sq in for the slicks. Weight on the wheel is 800 lb; tyre loading on the ground with the 5" wheel is 53 lb/ sq in. Using 273 'logic', the extra area of the slick[ 30 sq in ] & keeping the same 53 lb/s in but spread over the bigger area....would require 1600 lbs of weight...when you only have 800 lbs. Totally wrong as you can see. The correct answer is the loading on the slick is 26.5 lb/ sq in, not 53....