A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is

Applied Mechanics and Graphic Statics
A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is

e2*

e*72

e4*

1

e2*

e*72

e4*

1

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Applied Mechanics and Graphic Statics
Varingon’s theorem of moment’s states

Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point

Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point

Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point

Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point

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

Only the closure of funicular polygon is sufficient

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

Both force polygon and funicular polygon must close

Only the closure of force polygon is sufficient

None of these

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Applied Mechanics and Graphic Statics
The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

¾ l

½ l

l/√2

2/√3 l

¾ l

½ l

l/√2

2/√3 l

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

30 m/sec

40 m/sec

50 m/sec

20 m/sec

30 m/sec

40 m/sec

50 m/sec

20 m/sec

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Applied Mechanics and Graphic Statics
Energy may be defined as

Capacity of doing work

All listed here

Rate of doing work

Power of doing work

Capacity of doing work

All listed here

Rate of doing work

Power of doing work

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Varingon’s theorem of moment’s states

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

Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

Applied Mechanics and Graphic Statics Energy may be defined as

Applied Mechanics and Graphic Statics
Varingon’s theorem of moment’s states

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

Applied Mechanics and Graphic Statics
The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

Applied Mechanics and Graphic Statics
Energy may be defined as