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12 questions from this quiz
Resistive force
Dimensionless
μ=FfrictionN\mu = \frac{F_{\text{friction}}}{N}μ=NFfriction
Starting the motion
Objects already in motion
Ffriction=μNF_{\text{friction}} = \mu NFfriction=μN
N=mgN = mgN=mg
F−FfrictionF - F_{\text{friction}}F−Ffriction
a=F−μmgma = \frac{F - \mu mg}{m}a=mF−μmg
N=mgcosθN = mg \cos \thetaN=mgcosθ
mgsinθmg \sin \thetamgsinθ
a=g(sinθ−μcosθ)a = g(\sin \theta - \mu \cos \theta)a=g(sinθ−μcosθ)
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