(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Calculate the force needed to pull a mass of 20 kg at a uniform slow speed up a plane inclined at an angle of 30 with the horizontal if the coefficient of kinetic friction is 0.20.

2. Relevant equations

W_{N}= w cos [tex]\vartheta[/tex]

W_{T}= w sin [tex]\vartheta[/tex]

[tex]\mu[/tex]_{s}= tan[tex]\vartheta[/tex]

3. The attempt at a solution

I don't even know how to get started.

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# Force needed to pull a block up an incline.

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