Exam 2 Version B Yellow Spring 18 Name MULTIPLE CHOICE. Choose the one alternati

Question

Exam 2 Version B Yellow Spring 18 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the 1) The following four forces act on a 1.00 kg object: F1 300 N east F2-700 N north F3 500 N west F4-600 N south What is the acceleration of the object? A) 300 N in a direction 26.6° north of west B) 224 N in a direction 26.6° north of west C) 224 N in a direction 63.4° north of west D) 2100 N in a direction 26.6° north of west E) 300 N in a direction 63.4° north of west

Explanation / Answer

Fnet = 300i +700j - 500i - 600j = -200i + 100j N

= sqrt(100^2+200^2) = 224 N

angle = arctan(100/200) = 26.6 degree N of W

option B is correct

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