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Question

1.Three forces act on an object. If the object is in translational equilibrium, which of the
following must be true?
I. The vector sum of the three forces must equal zero.
II. The magnitudes of the three forces must be equal.
III. All three forces must be parallel.

a. I only b. II only c. I and III only d. II and III only e. I, II, and III

Answer 1

b i think but not sure