ENGINEERING MECHANICS QUIZ

The same as centre of gravity

The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

None of the listed here

The point of suspension

Rotate about itself without moving

Be completely at rest

All of these

Move in any one direction rotating about itself

v/4

v/2

v

v/8

Second moment of force

Second moment of area

Second moment of mass

All of these

Coefficient of friction

Angle of repose

Sliding friction

Angle of friction

Coplanar concurrent forces

Non-coplanar non-concurrent forces

Coplanar non-concurrent forces

Non-coplanar concurrent forces

Weight of the vehicle

Coefficient of friction between the road and vehicle contact point

Nature of the road surface

(Velocity)2 of the vehicle

Halved

Quadrupled

None of these

Doubled

g. cos² β/2u². sin (α + β). cos α

g. cos² β/2u². sin (α - β). cos α

2u². sin (α + β). cos α/g. cos² β

2u². sin (α - β). cos α/g. cos² β

0.7 r

0.5 r

0.6 r

0.8 r