AP Physics 1
2.5 Newton’s Second Law
2.4 Newton’s First Law
2.2 Forces and Free-Body Diagrams
1.5 Vectors and Motion in Two Dimensions
1.1 Scalars and Vectors in One Dimension
Multi-Unit
An object is moving to the west at a constant speed. Three forces are exerted on the object. One force is \(10\,\text{N}\) directed due north, and another is \(10\,\text{N}\) directed due west. What is the magnitude and direction of the third force if the object is to continue moving to the west at a constant speed?
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