As mentioned in the text, physical forces (e.g., gravity) are quantities possessing both
Chapter 1, Problem 25(choose chapter or problem)
As mentioned in the text, physical forces (e.g., gravity) are quantities possessing both magnitude and direction and therefore can be represented by vectors. If an object has more than one force acting on it, then the resultant (or net) force can be represented by the sum of the individual force vectors. Suppose that two forces, F1 = (2, 7, 1) and F2 = (3, 2, 5), act on an object. (a) What is the resultant force of F1 and F2? (b) What force F3 is needed to counteract these forces (i.e., so that no net force results and the object remains at rest)?
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