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

None of these

Zero

10 m/sec

5 m/sec

None of these

Zero

10 m/sec

5 m/sec

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Applied Mechanics and Graphic Statics
The pole distance is measured in

time scale

mass scale

force scale

distance scale

time scale

mass scale

force scale

distance scale

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Applied Mechanics and Graphic Statics
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

5 and 5√3 m/sec

5 m/sec and 0

0 and 5 m/sec

5√3 m/sec and 0

5 and 5√3 m/sec

5 m/sec and 0

0 and 5 m/sec

5√3 m/sec and 0

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Applied Mechanics and Graphic Statics
A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

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Applied Mechanics and Graphic Statics
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

8.04 km/sec at a height of 285 km

11.26 km/sec, the satellite escapes the pull of the earth

11.11 km/sec at a height of 37,400 km

All listed here

8.04 km/sec at a height of 285 km

11.26 km/sec, the satellite escapes the pull of the earth

11.11 km/sec at a height of 37,400 km

All listed here

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

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

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

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

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

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

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

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

Algebraic sum of the moments of the forces about a point 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 The pole distance is measured in

Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

Applied Mechanics and Graphic Statics The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity 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
The pole distance is measured in

Applied Mechanics and Graphic Statics
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

Applied Mechanics and Graphic Statics
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

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