2 may be positive and have any magnitude. 2 may also be negative, provided that

Question

2 may be positive and have any magnitude. 2 may also be negative, provided that its magnitude is greater than the magnitude of 1. 2 must be negative and may have any magnitude. 2 may be positive and have any magnitude. 2 may also be negative, provided that its magnitude is less than the magnitude of 1. 2 may be positive or negative and have any magnitude in either case. 2 may be negative, but only if its magnitude is greater than the magnitude of 1.
Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. (a) What is the direction of and how does its magnitude compare to the magnitude of when the acceleration of the box is positive? may be positive and have any magnitude. may also be negative, provided that its magnitude is greater than the magnitude of . must be negative and may have any magnitude. may be positive and have any magnitude. may also be negative, provided that its magnitude is less than the magnitude of . may be positive or negative and have any magnitude in either case. may be negative, but only if its magnitude is greater than the magnitude of . (b) What is the direction of and how does its magnitude compare to the magnitude of when the acceleration of the box is negative? must be negative and have a magnitude that is greater than the magnitude of . may be positive or negative and may have any magnitude in either case. may be negative, provided that its magnitude is greater than the magnitude of . may also be positive and may have any magnitude. may be positive or negative, provided that its magnitude is less than the magnitude of in either case. must be positive and may have any magnitude. (c) What is the direction of and how does its magnitude compare to the magnitude of when the acceleration of the box is zero? may be positive or negative, provided that its magnitude is equal to the magnitude of . must be negative and may have any magnitude. must be negative and have a magnitude that is less than the magnitude of . must be positive and have a magnitude that is equal to the magnitude of . must be negative and have a magnitude that is equal to the magnitude of .

Explanation / Answer

Q.a - option c

Q.b - option a

Q.c - option e

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