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 |
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 |