If the net force acting on a body is constant, what can we conclude about its momentum?
(A) The magnitude and/or the direction of ý may change
(B) The magnitude of p remains fixed, but its direction may change
(C) The direction of premains fixed, but its magnitude may change
(D) P remains fixed in both magnitude and direction
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Given Question :
If the net force acting on a body is constant, what can we conclude about its momentum?
(A) The magnitude and/or the direction of ý may change
(B) The magnitude of p remains fixed, but its direction may change
(C) The direction of p remains fixed, but its magnitude may change
(D) P remains fixed in both magnitude and direction.
Answer :
Option (B) is correct.
Explanation:
If the net force acting on a body is constant, then the direction of the body is continuously changing, as the direction of its momentum (P) but the speed of the body and magnitude of the momentum remain constant.
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