F_{2}F_{1}mag_{c}(2000lbm × 2ftsec^{2}) ÷ 32.17ftlbmlbf sec^{2}124 lbfFORCE EQUILIBRIUMApplication of Newton's LawsCP-04 Page 16Rev. 0Force Equilibrium Summary+The force that is the resultant force of all forces acting on a body is defined asthe net force.+If the vector sum of all the forces acting on an object is equal to zero, then theobject is in equilibrium.+The first condition of equilibrium is stated as follows: "A body will be intranslational equilibrium if and only if the vector sum of forces exerted on abody by the environment equals zero."F + F + F = 01 2 3or'F = 0+Any force or system of forces capable of balancing a system so that the netforce is zero is defined as an equilibrant.c.Since the car remains on the surface, forces N and W are in equal andopposite directions. Force F must be applied in an equal and opposite2direction to F in order for the forces to be in equilibrium.1SummaryThe concepts presented in this chapter are summarized below.