Applied Mechanics and Graphic Statics
For a non-concurrent force system to be in equilibrium

Both force polygon and funicular polygon must close
Only the closure of force polygon is sufficient
None of these
Only the closure of funicular polygon is sufficient

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Applied Mechanics and Graphic Statics
A body is said to move with Simple Harmonic Motion if its acceleration, is

Proportional to the square of the distance from the point of reference
Always directed away from the centre, the point of reference
Inversely proportion to the distance from the point of reference
Proportional to the distance from the point of reference and directed towards it

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Applied Mechanics and Graphic Statics
The phenomenon of collision of two elastic bodies takes place because bodies

Tend to compress each other till they are compressed maximum possible
Immediately after collision come momentarily to rest
Attempt to regain its original shape due to their elasticities
All listed here

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