Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

Applied Mechanics and Graphic Statics
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

1/5

2/3

3/5

1/3

1/5

2/3

3/5

1/3

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Applied Mechanics and Graphic Statics
A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration

At the start

At the top of the trajectory

As it strikes the ground

Elsewhere

At the start

At the top of the trajectory

As it strikes the ground

Elsewhere

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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

Zero work

Virtual work

Negative work

Imaginary work

Zero work

Virtual work

Negative work

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Applied Mechanics and Graphic Statics
Minimum potential energy of a system will be in the position of

Neutral equilibrium

Unstable equilibrium

All of these

Stable equilibrium

Neutral equilibrium

Unstable equilibrium

All of these

Stable equilibrium

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Applied Mechanics and Graphic Statics
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is Applied Mechanics and Graphic Statics mcq question image

10.2 t

10.4 t

10.6 t

10.8 t

10.2 t

10.4 t

10.6 t

10.8 t

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

40 m/sec

20 m/sec

30 m/sec

50 m/sec

40 m/sec

20 m/sec

30 m/sec

50 m/sec

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration

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 Minimum potential energy of a system will be in the position of

Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics
A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration

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
Minimum potential energy of a system will be in the position of

Applied Mechanics and Graphic Statics
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is Applied Mechanics and Graphic Statics mcq question image