U3 Retest: Forces

Instructions

*Change your calculator to degree mode!*

Formulas:

$LaTeX: \sum F_x\:=\:m\:a_x\:\:\:\:\:\:\:\:\sum F_y\:=\:m\:a_y\:$

Weight: $LaTeX: F_g\:=\:mg$ g = 9.8 m/s²

Kinetic friction: $LaTeX: F_{fr}\:=\:\mu_k\:F_N$

Static friction: $LaTeX: F_{fr}\:\le\:\mu_s\:F_N$

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