Q. 74.8( 4 Votes )

Action and reacti A. act on two different objects

B. have equal magnitude

C. have opposite direction

D. have resultant zero

Answer :

Newton’s third law states that



“all forces between two objects exist in equal magnitude and opposite direction”


If first object A exerts a force FA on a second object B, then B simultaneously exerts a force FB on A, and the two forces are equal in magnitude and opposite in direction.


FA = −FB


Hence, the resultant will be zero since the magnitude of force is equal but sign in reverse.

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