Multiple Choice
If the two loops in (figure 1) have equal currents in opposite directions, which of the following statements about the net force between the loops is correct?
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6. Intro to Forces (Dynamics)
Newton's First & Second Laws
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In Newtonian mechanics, how is the net force on an object defined?
A
The product of the object’s mass and its velocity
B
The vector sum of all external forces acting on the object
C
The force the object exerts on its surroundings (the reaction force)
D
The sum of the magnitudes of all forces acting on the object, ignoring direction
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