A) Every force has one and only one 3rd law pair force. true or false
B) The two forces in each pair act in opposite directions. true or false
C) The two forces in each pair can act on the same object or on different objects. true or false
D) The two forces in each pair may have different physical origins
(for instance, one of the forces could be due to gravity, and its pair force could be a normal contact force) true or false
Answer:
