Why is it important to define a frame of reference?
a. An observer cannot be moving.
b. Motion must be defined relative to something.
c. It's impossible to measure motion.
d. A stationary observer is always moving.
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Home » Physics » Why is it important to define a frame of reference? a. An observer cannot be moving. b. Motion must be defined relative to something. c. It's impossible to measure motion. d. A stationary observer is always moving.