(A) : To unscrew a rusted nut, we need a wrench with longer arm.(R ) : Wrench with longer arm reduces the torque of the arm.

(A) : To unscrew a rusted nut, we need a wrench with longer arm.(R ) :

1.	(A) : To unscrew a rusted nut, we need a wrench with longer arm.(R ) : Wrench with longer arm reduces the torque of the arm.
Answer» Both (A) and (R ) are TRUE and (R ) is the correct explanation of (A) Both (A) and (R ) are true and (R ) is not the correct explanation of (A) (A) is true but (R ) is false Both (A) and (R ) are false Answer :C