The potential energy of a particle changes by +15 J (Joule) as the particle is m

Question

The potential energy of a particle changes by +15 J (Joule) as the particle is moved from a point A to point B by a conservative force. The distance along path 1 from A to B is 3.2m (meter); the distance along path 2 is 4.1m (meter), and the distance along path 3 is 5.0m (meter). If the magnitude of the force is constant for a path, the force required along each path is such that

a)      F1 > F2 > F3

b)      F1 < F2 < F3

c)       F1 = F2 = F3

d)      Cannot be determined from the information given

Explanation / Answer

In an conservative force is independent of path follwed, it's depends only initial and final points. Hence all the forces are equal. the answer: c) F1 = F2 = F3

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