14. How do the support reactions change when moving from the original system to the equivalent system? Original: Equivalent: 3 kN 2.5 kN 1.5 kN 30° – 2 m - 2 m- 4 m 4 m 2 m- a. The support reaction at A doubles b. The support reaction at B doubles c. The support reactions do not change d. B no longer has a support reaction – it is all concentrated at A

Laws of Equilibrium

A body is said to be in equilibrium if the system of forces acting on the body tends to keep the body at rest, in other words, there is no translation motion or net torque on the body. Under such conditions, the equilibrium conditions are to be applied to analyze the condition. The branch of mechanics that deals with this condition is known as 'statics'. Under equilibrium, there are no net forces on the body.