A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be

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

10 m/sec

Zero

None of these

5 m/sec

10 m/sec

Zero

None of these

5 m/sec

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Applied Mechanics and Graphic Statics
A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is (i) 5000 Nm (ii) 5000 kg.m (iii) 5000 J

Both (i) and (iii)

Only (ii)

Both (ii) and (iii)

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

Both (i) and (iii)

Only (ii)

Both (ii) and (iii)

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

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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 75

50 and 50

75 and 50

75 and 75

50 and 75

50 and 50

75 and 50

75 and 75

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Applied Mechanics and Graphic Statics
When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

Virtual work

Negative work

Imaginary work

None of these

Virtual work

Negative work

Imaginary work

None of these

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Applied Mechanics and Graphic Statics
A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

Pole

Moon

Earth

Sun

Pole

Moon

Earth

Sun

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Applied Mechanics and Graphic Statics
The necessary condition of equilibrium of a body is:

Algebraic sum of vertical components of all the forces must be zero

All (A), (B) and (C)

Algebraic sum of the moments of the forces about a point must be zero

Algebraic sum of horizontal components of all the forces must be zero

Algebraic sum of vertical components of all the forces must be zero

All (A), (B) and (C)

Algebraic sum of the moments of the forces about a point must be zero

Algebraic sum of horizontal components of all the forces must be zero

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Applied Mechanics and Graphic Statics

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

Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is (i) 5000 Nm (ii) 5000 kg.m (iii) 5000 J

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 When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

Applied Mechanics and Graphic Statics A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is:

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

Applied Mechanics and Graphic Statics
A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is (i) 5000 Nm (ii) 5000 kg.m (iii) 5000 J

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
When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

Applied Mechanics and Graphic Statics
A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

Applied Mechanics and Graphic Statics
The necessary condition of equilibrium of a body is: