The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is

Applied Mechanics and Graphic Statics
The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is

12.88 m/sec

5.88 m/sec

8.88 m/sec

10.88 m/sec

12.88 m/sec

5.88 m/sec

8.88 m/sec

10.88 m/sec

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Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

50 and 50

75 and 50

50 and 75

75 and 75

50 and 50

75 and 50

50 and 75

75 and 75

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Applied Mechanics and Graphic Statics
The diagram showing the point of application and line of action of forces in their plane is called

Force diagram

Space diagram

Vector diagram

Funicular diagram

Force diagram

Space diagram

Vector diagram

Funicular diagram

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Applied Mechanics and Graphic Statics
Force polygon method is applicable for

Any coplanar force system

A system of parallel forces only

Non-concurrent coplanar force system

Concurrent coplanar force system

Any coplanar force system

A system of parallel forces only

Non-concurrent coplanar force system

Concurrent coplanar force system

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Applied Mechanics and Graphic Statics
The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

¾ l

½ l

l/√2

2/√3 l

¾ l

½ l

l/√2

2/√3 l

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Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

5 m/sec

Zero

10 m/sec

None of these

5 m/sec

Zero

10 m/sec

None of these

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is

Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

Applied Mechanics and Graphic Statics The diagram showing the point of application and line of action of forces in their plane is called

Applied Mechanics and Graphic Statics Force polygon method is applicable for

Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics
The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is

Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

Applied Mechanics and Graphic Statics
The diagram showing the point of application and line of action of forces in their plane is called

Applied Mechanics and Graphic Statics
Force polygon method is applicable for

Applied Mechanics and Graphic Statics
The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be