A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

18 m/sec

20 m/sec

22 m/sec

16 m/sec

18 m/sec

20 m/sec

22 m/sec

16 m/sec

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Applied Mechanics and Graphic Statics
For a non-concurrent force system to be in equilibrium

None of these

Only the closure of funicular polygon is sufficient

Only the closure of force polygon is sufficient

Both force polygon and funicular polygon must close

None of these

Only the closure of funicular polygon is sufficient

Only the closure of force polygon is sufficient

Both force polygon and funicular polygon must close

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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
The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

1 rad/sec

10 rad/sec

0.1 rad/sec

100 rad/sec

1 rad/sec

10 rad/sec

0.1 rad/sec

100 rad/sec

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Applied Mechanics and Graphic Statics
Which of the following is a scalar quantity?

Momentum

Energy

Torque

Impulse

Momentum

Energy

Torque

Impulse

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Applied Mechanics and Graphic Statics
A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is

4/5

3/4

5/3

3/5

4/5

3/4

5/3

3/5

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium

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 The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

Applied Mechanics and Graphic Statics Which of the following is a scalar quantity?

Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics
For a non-concurrent force system to be in equilibrium

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
The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

Applied Mechanics and Graphic Statics
Which of the following is a scalar quantity?