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

43839

43833

43864

44052

43839

43833

43864

44052

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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

Imaginary work

Negative work

Zero work

Virtual work

Imaginary work

Negative work

Zero work

Virtual work

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Applied Mechanics and Graphic Statics
If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be

v²/r

r/ω²

r/v²

ω²/r

v²/r

r/ω²

r/v²

ω²/r

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

Stable

None of these

Neutral

Unstable

Stable

None of these

Neutral

Unstable

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Applied Mechanics and Graphic Statics
The rate of change of displacement of a body with respect to its surrounding, is known

Acceleration

Velocity

None of these

Speed

Acceleration

Velocity

None of these

Speed

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Applied Mechanics and Graphic Statics
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is

1.25 m/sec²

0.75 m/sec²

1.00 m/sec²

0.5 m/sec²

1.25 m/sec²

0.75 m/sec²

1.00 m/sec²

0.5 m/sec²

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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 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 If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be

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

Applied Mechanics and Graphic Statics The rate of change of displacement of a body with respect to its surrounding, is known

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
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
If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be

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

Applied Mechanics and Graphic Statics
The rate of change of displacement of a body with respect to its surrounding, is known