150-lb block is placed on a 33° incline and released from rest. The coefficient of static fric 0.46. (a) Determine the maximum and minimum values of the initial tension T in the spring leased. (b) Calculate the friction force F (positive if up the slope, negative if down) on the ssume W = 150 lb, 0 = 33° nswers: ) Tmax= ) F= i W Ө i μ₂ lb lb, Tmin= i lb

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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.