[url]http://i49.tinypic.com/2vvmlbt.jpg[/url]
I'm stuck on these questions based on inclined planes and pulley systems z.z
I'm ok with question 1 on impulses and change in momentum, but the rest is just gwaah.
Help would be appreciated
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[url]https://www.khanacademy.org/science/physics/forces-newtons-laws[/url] This should help.