## Applied Mechanics and Graphic Statics The forces which meet at one point and have their lines of action in different planes are called

Non-coplanar concurrent forces
Intersecting forces
Coplanar non-concurrent forces
Non-coplanar non-current forces

## Applied Mechanics and Graphic Statics The characteristic of a couple is:

All listed here
A couple can be never the balanced by a single force
Algebraic sum of forces, constituting a couple is zero
Algebraic sum of moments of forces, constituting a couple, about any point, is same

Amplitude
Oscillation
Period time
Beat

## Applied Mechanics and Graphic Statics A cube on a smooth horizontal surface

Cannot be in stable equilibrium
Cannot be in neutral equilibrium
Can be in any of these states
Cannot be in unstable equilibrium

## Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

Sum of the forces multiplied by the tangent θ°
Difference of the forces multiplied by cosine θ°
Arithmetical sum of the resolved parts of the forces in the direction
Algebraic sum of the resolved parts of the forces in the direction

## Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum

The mass of its bob should be quadrupled
Its length should be quadrupled
Its length should be doubled
The mass of its bob should be doubled