Suppose That There Are Two Forces Acting on a Barge

question 86

Multiple Choice

Suppose that there are two forces acting on a barge being towed along a river. One force is exerted due south by the river current and has a magnitude of 7 units (the exact nature of the force unit is unimportant) . The other force is exerted by a tugboat and has a magnitude of 11 units towards the north and 3 units towards the east. What is the net force acting on the barge?

• A) 11 units towards the north, 4 units towards the east
• B) 18 units towards the north, 3 units towards the east
• C) 4 units towards the north, 3 units towards the east
• D) 3 units towards the north, 4 units towards the east

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