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Explain why Fn equals Fa
FN +mg +fk +F=0
FN is the normal force,mg is mass and gravitational acceleration which equals toweight, and F is force. Sowhat is fk? Blah I can't believe I don't know this.
The forces F1,F2,…,FnF1,F2,…,Fn acting at the same point P are said to be in equilibrium if the resultant force is zero, that is, if
