EXAMPLE 1. Two forces 5 N and 20 N are acting
at an angle of 120° between them. Find the
resultant force in magnitude and direction.
SOLUTION. According to parallelogram's law of
Answers
Answer:
Example 1: Two tugboats are towing a cargo ship as shown below. Tugboat A exerts a force of 15,000 N at a 30° angle while tugboat B exerts a force of 20,000 N at a 50° angle. Determine the magnitude and direction of the resultant force acting on the cargo ship.
Solution: We begin the analysis by drawing the known force vectors. We then construct the force triangle by a head-to-tail connection of the two force components.
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Explanation:
The resultant of the two forces which is acting on a same point where it is maximum, when all the forces are acting in a same direction and also having minimum magnitude when they are operating in an opposite direction.
If two forces are acting in a same direction, when the direction of angle between the two forces becomes 0. In this given case, the resultant force is the sum of two forces which its direction is same as that of the two independent forces.
Solution: We begin the analysis by drawing the known force vectors. We then construct the force triangle by a head-to-tail connection of the two force components.
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