Which of the following statements is incorrect? - Vidyadip

MCQ

Which of the following statements is incorrect?

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 is a non-conservative
D
All the central forces are non-conservativ

✓

Answer

All the central forces are non-conservativ

Explanation:

Non-conservative force such as friction depends on other factors, such as velocity and dissipative and no potential energy can be defined for them.

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