A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

43833

44052

43864

43839

43833

44052

43864

43839

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Applied Mechanics and Graphic Statics
In a simple harmonic motion, the position of equilibrium is always

Neutral

Unstable

Stable

None of these

Neutral

Unstable

Stable

None of these

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Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

Angle of friction

None of these

Angle of repose

Angle of inclination

Angle of friction

None of these

Angle of repose

Angle of inclination

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Applied Mechanics and Graphic Statics
For a self-locking machine, the efficiency should be

0.5

More than 50%

Less than 60%

None of these

0.5

More than 50%

Less than 60%

None of these

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Applied Mechanics and Graphic Statics
If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be

2 T

1/2 T

3 T

√2 T

2 T

1/2 T

3 T

√2 T

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Applied Mechanics and Graphic Statics
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

Circle and parabola

Straight line and circle

Circle and straight line

Straight line and parabola

Circle and parabola

Straight line and circle

Circle and straight line

Straight line and parabola

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics In a simple harmonic motion, the position of equilibrium is always

Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be

Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be

Applied Mechanics and Graphic Statics When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
In a simple harmonic motion, the position of equilibrium is always

Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

Applied Mechanics and Graphic Statics
For a self-locking machine, the efficiency should be

Applied Mechanics and Graphic Statics
If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be

Applied Mechanics and Graphic Statics
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are