Engineering Mechanics
In order to completely specify angular displacement by a vector, it must fix

Sense of angular displacement
Magnitude of angular displacement
All of these
Direction of the axis of rotation

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The static friction

All of these
Bears a constant ratio to the normal reaction between the two surfaces
Always acts in a direction, opposite to that in which the body tends to move
Is independent of the area of contact, between the two surfaces

ANSWER DOWNLOAD EXAMIANS APP