A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

Applied Mechanics and Graphic Statics
A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

60

65

55

50

60

65

55

50

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Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Rubber and lead balls undergo equal changes in momentum

Momentum of rubber ball is less than that of lead ball

None of these

Change in momentum suffered by lead ball is less that of rubber ball

Rubber and lead balls undergo equal changes in momentum

Momentum of rubber ball is less than that of lead ball

None of these

Change in momentum suffered by lead ball is less that of rubber ball

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Applied Mechanics and Graphic Statics
Lami's theorem states that

Three forces acting at a point are always in equilibrium

If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

Three forces acting at a point are always in equilibrium

If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

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

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

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 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

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

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Applied Mechanics and Graphic Statics
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

50 m/sec

25 m/sec

15 m/sec

40 m/sec

50 m/sec

25 m/sec

15 m/sec

40 m/sec

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Applied Mechanics and Graphic Statics
In SI units, the units of force and energy are respectively

Dyne and erg

Newton and joule

kg wt and joule

Newton and watt

Dyne and erg

Newton and joule

kg wt and joule

Newton and watt

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Applied Mechanics and Graphic Statics Lami's theorem states that

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

Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively

Applied Mechanics and Graphic Statics
A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Applied Mechanics and Graphic Statics
Lami's theorem states that

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

Applied Mechanics and Graphic Statics
In SI units, the units of force and energy are respectively