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

2/3

1/5

3/5

1/3

2/3

1/5

3/5

1/3

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Applied Mechanics and Graphic Statics
The apparent weight of a man in a moving lift is less than his real weight when it is going down with

Linear momentum

Uniform speed

Retardation

An acceleration

Linear momentum

Uniform speed

Retardation

An acceleration

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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 m/sec and 0

5 and 5√3 m/sec

0 and 5 m/sec

5√3 m/sec and 0

5 m/sec and 0

5 and 5√3 m/sec

0 and 5 m/sec

5√3 m/sec and 0

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Applied Mechanics and Graphic Statics
Effect of a force on a body depends upon its

Magnitude

Direction

All of these

Position

Magnitude

Direction

All of these

Position

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Applied Mechanics and Graphic Statics
A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

Vertical component of velocity remains constant

Kinetic energy of the ball remains constant

Horizontal component of velocity remains constant

Speed of the ball remains constant

Vertical component of velocity remains constant

Kinetic energy of the ball remains constant

Horizontal component of velocity remains constant

Speed of the ball remains constant

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Applied Mechanics and Graphic Statics
If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

½ tan α

½ sin α

½ cos α

2 cos α

½ tan α

½ sin α

½ cos α

2 cos α

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with

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 Effect of a force on a body depends upon its

Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

Applied Mechanics and Graphic Statics
The apparent weight of a man in a moving lift is less than his real weight when it is going down with

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
Effect of a force on a body depends upon its

Applied Mechanics and Graphic Statics
A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

Applied Mechanics and Graphic Statics
If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be