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Introductory Physics Homework Help
Forces on a Ramp: Understanding Fcosθ - mgsinθ = ma
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[QUOTE="frownifdown, post: 4556821, member: 491924"] [b]Here is the link to the problem [url]http://imgur.com/9Vnc5Er[/url][/b] Alright, so I already know how to solve this problem, I am just struggling with the why. This is for my physics test, and he posts the answers to these in class assignments so we can review them. Looking at step 2, we are supposed to use the equation Fcosθ - mgsinθ = ma(in the x direction). Why is this? Is this because those are the x components of the forces? I don't understand where he is getting those from. If you could shed some light on it that would be awesome. Thanks [/QUOTE]
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Forces on a Ramp: Understanding Fcosθ - mgsinθ = ma
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