How would I go about this physics ISA?

So it's a P3 AQA ISA, and it's on centripetal force. Basically our teacher told us that it's about how the force affects the velocity of a moving object, but it's really confusing me in the way that we have to change something (in this case mass) to therefore change the force to affect the velocity so we need to actually work out the force and I don't understand how I would do that.... This sounds really mixed up but I don't really get the ISA at all. Could anyone clear things up a bit? Thanks

I dont know much about it as I haven't done it yet but founds some methods which may help you
http://www.gcsesciencemethods.co.uk/2014/05/centripetal-force-vs-speed-of-rotation.html
http://www.gcsesciencemethods.co.uk/2014/05/factors-affecting-circular-motion.html
I am sure you will understand it and do amazingly well because your so clever good luck

So it's a P3 AQA ISA, and it's on centripetal force. Basically our teacher told us that it's about how the force affects the velocity of a moving object, but it's really confusing me in the way that we have to change something (in this case mass) to therefore change the force to affect the velocity so we need to actually work out the force and I don't understand how I would do that.... This sounds really mixed up but I don't really get the ISA at all. Could anyone clear things up a bit? Thanks

Centripetal Force = (mass x velocity^2)/ radius

Look at OCR A-level physics, Unit 4
Centripetal stuff is covered there

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