Force Equilibrium Summary

Classical Physics - Physics theories and other related topics
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F₂ F₁ ma g_c (2000lbm × 2ft sec²) ÷ 32.17 ft lbm lbf sec² 124 lbf FORCE EQUILIBRIUM Application of Newton's Laws CP-04 Page 16 Rev. 0 Force Equilibrium Summary + The force that is the resultant force of all forces acting on a body is defined as the net force. + If the vector sum of all the forces acting on an object is equal to zero, then the object is in equilibrium. + The first condition of equilibrium is stated as follows: "A body will be in translational equilibrium if and only if the vector sum of forces exerted on a body by the environment equals zero." F + F + F = 0 1 2 3 or ' F = 0 + Any force or system of forces capable of balancing a system so that the net force is zero is defined as an equilibrant. c. Since the car remains on the surface, forces N and W are in equal and opposite directions. Force F must be applied in an equal and opposite 2 direction to F in order for the forces to be in equilibrium. 1 Summary The concepts presented in this chapter are summarized below.

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