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Introductory Physics Homework Help
Force Components, Friction, etc. Check my work?
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[QUOTE="Summer95, post: 4889462, member: 527464"] Thanks for replying :) I see exactly what you did differently so I'll explain and can you tell me where/if I wrong in the following? To find the F[SUB]friction[/SUB] it is dependent on F[SUB]N[/SUB] which ordinarily would be equal to the y component of F[SUB]g[/SUB]. However, there is also a y component to F[SUB]P[/SUB] (an applied force in the y direction) which reduces F[SUB]N[/SUB] by F[SUB]PY[/SUB]. In other words because you are pulling up on the object the normal force is reduced. If this were not the case there would be a net force in the y direction and it would accelerate off the slope. That is where μ[SUB]s[/SUB]F[SUB]p[/SUB]sin(11) in my work comes from. It is part of 0.096[mgcos(12)-F[SUB]P[/SUB]sin(11)] where F[SUB]P[/SUB]sin(11) is the y component of the applied force F[SUB]P[/SUB]. [/QUOTE]
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Introductory Physics Homework Help
Force Components, Friction, etc. Check my work?
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