## Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is:

Algebraic sum of the moments of the forces about a point must be zero
Algebraic sum of vertical components of all the forces must be zero
All (A), (B) and (C)
Algebraic sum of horizontal components of all the forces must be zero

Oscillation
Frequency
Periodic time
Amplitude

## Applied Mechanics and Graphic Statics Which of the following represents the state of neutral equilibrium?

None of these
A cube resting on one edge
A smooth cylinder lying on a convex surface
A smooth cylinder lying on a curved surface

## Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

Length of the cable increases
None of these
Dip of the cable decreases
Dip of the cable increases

## Applied Mechanics and Graphic Statics One Joule is equivalent to

1 dyne metre
9.81 Newton metre
1 Newton metre
1 kg wt metre

1
2
zero
infinity