Two tugboats are towing a Cargo ship as shown in Fig.1. Tugboat A exerts a force of 15OON at 30° while tugboat B exerts a force of 20,000N at 50°. Determine the magnitude and direction of resultant force acting on the cargo ship. Show it in a sketch. 10N A 30 Cargo ship 50° Fig. 1

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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.