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

43839

43864

44052

43833

43839

43864

44052

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Applied Mechanics and Graphic Statics
The condition of equilibrium for any system of forces in a plane is

That polygon of forces must close

None of these

That resultant couple must be zero

Both (A) and (B)

That polygon of forces must close

None of these

That resultant couple must be zero

Both (A) and (B)

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Applied Mechanics and Graphic Statics
One Newton is equivalent to

981 dyne

1/9.81 kg. wt

9.81 kg. wt

1 kg. wt

981 dyne

1/9.81 kg. wt

9.81 kg. wt

1 kg. wt

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Applied Mechanics and Graphic Statics
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

A/2

A/√2

A√2

A

A/2

A/√2

A√2

A

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Applied Mechanics and Graphic Statics
When two forces, each equal to P, act at 90° to each other, then the resultant will be

P√2

2P

P

P/√2

P√2

2P

P

P/√2

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Applied Mechanics and Graphic Statics
The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin

Both (i) and (iii)

Only (i)

All (i), (ii) and (iii)

Both (i) and (ii)

Both (i) and (iii)

Only (i)

All (i), (ii) and (iii)

Both (i) and (ii)

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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 The condition of equilibrium for any system of forces in a plane is

Applied Mechanics and Graphic Statics One Newton is equivalent to

Applied Mechanics and Graphic Statics If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be

Applied Mechanics and Graphic Statics The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin

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
The condition of equilibrium for any system of forces in a plane is

Applied Mechanics and Graphic Statics
One Newton is equivalent to

Applied Mechanics and Graphic Statics
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

Applied Mechanics and Graphic Statics
When two forces, each equal to P, act at 90° to each other, then the resultant will be

Applied Mechanics and Graphic Statics
The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin