A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

0.33

0.5

0.4

0.25

0.33

0.5

0.4

0.25

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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

Angle of inclination

None of these

Angle of repose

Angle of friction

Angle of inclination

None of these

Angle of repose

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Applied Mechanics and Graphic Statics
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Floor and wall both are rough surfaces

Floor is rough and the wall is smooth

Floor is smooth and the wall is rough

Floor and wall both are smooth surfaces

Floor and wall both are rough surfaces

Floor is rough and the wall is smooth

Floor is smooth and the wall is rough

Floor and wall both are smooth surfaces

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Applied Mechanics and Graphic Statics
One Joule is equivalent to

1 kg wt metre

1 dyne metre

9.81 Newton metre

1 Newton metre

1 kg wt metre

1 dyne metre

9.81 Newton metre

1 Newton metre

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Applied Mechanics and Graphic Statics
Cartesian form of the equation of catenary is

y = c sinh x/c

y = c sin x/c

y = c tan x/c

y = c cosh x/c

y = c sinh x/c

y = c sin x/c

y = c tan x/c

y = c cosh x/c

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Applied Mechanics and Graphic Statics
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

None of these

5 kg

1 kg

7 kg

None of these

5 kg

1 kg

7 kg

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

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 A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Applied Mechanics and Graphic Statics One Joule is equivalent to

Applied Mechanics and Graphic Statics Cartesian form of the equation of catenary is

Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

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
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Applied Mechanics and Graphic Statics
One Joule is equivalent to

Applied Mechanics and Graphic Statics
Cartesian form of the equation of catenary is

Applied Mechanics and Graphic Statics
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to