Q. Choose the incorrect statement
A) No work is done if the displacement is perpendicular to the direction of the applied force
B) If the angle between the force and displacement vectors is obtuse, then the work done is negative
C) Frictional force in non-conservative
D) All the central forces are non-conservative
Explanation
(d) All the central forces are conservative
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.