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

1

e2*

e4*

e*72

1

e2*

e4*

e*72

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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 non-current forces

Coplanar non-concurrent forces

Non-coplanar concurrent forces

Intersecting forces

Non-coplanar non-current forces

Coplanar non-concurrent forces

Non-coplanar concurrent forces

Intersecting forces

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Applied Mechanics and Graphic Statics
The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

0.042361111111111

0.084027777777778

0.12569444444444

0.043055555555556

0.042361111111111

0.084027777777778

0.12569444444444

0.043055555555556

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Applied Mechanics and Graphic Statics
If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

Virtual work

Negative work

Zero work

Imaginary work

Virtual work

Negative work

Zero work

Imaginary work

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Applied Mechanics and Graphic Statics
Maximum efficiency of a screw jack for the angle of friction θ, is

(1 - sin θ)/(1 + sin θ)

(1 - sin θ)/sin θ

sin θ/(1 + sin θ)

(1 + sin θ)/(1 - sin θ)

(1 - sin θ)/(1 + sin θ)

(1 - sin θ)/sin θ

sin θ/(1 + sin θ)

(1 + sin θ)/(1 - sin θ)

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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

½ l

¾ l

2/√3 l

l/√2

½ l

¾ l

2/√3 l

l/√2

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Applied Mechanics and Graphic Statics

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

Applied Mechanics and Graphic Statics The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

Applied Mechanics and Graphic Statics If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is

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
The forces which meet at one point and have their lines of action in different planes are called

Applied Mechanics and Graphic Statics
The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

Applied Mechanics and Graphic Statics
If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

Applied Mechanics and Graphic Statics
Maximum efficiency of a screw jack for the angle of friction θ, is

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