Question:
Suppose, no net force is acting on an object. Which of the following situations are possible?
(A) Object remains at rest if at rest.
(B) Object keeps moving with a constant velocity if already moving.
(C) Object is moving with a constant acceleration. [Pg. No. 101]
Answer:
Verified
If no net force is acting on an object, then according to Newton's first law:
(A) Possible; An object at rest remains at rest.
(B) Possible; A moving object continues to move with constant velocity.
(C) Not possible; Constant acceleration requires a net force to act on the object.
Therefore, situations (A) and (B) are possible, but (C) is not possible.
