In a Given Frictionless Displacement of a Particle, Its Kinetic

Multiple Choice

In a given frictionless displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 10 J. Determine the work of the nonconservative forces acting on the particle during this displacement.

A) −15 J
B) +35 J
C) +15 J
D) −35 J
E) +55 J