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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by

10.5 kg
6.25 kg
8.75 kg
5.5 kg

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Applied Mechanics and Graphic Statics
If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is

v = ω √(r² - y²)
v = ω √(r² + y²)
y = ω √(y - r)
v = ω √(y² - r²)

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Applied Mechanics and Graphic Statics
A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

1.5 m
0.75 m
0.5 m
1.0 m

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Applied Mechanics and Graphic Statics
A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan"1 x, where x is (Assume g = 10 m/sec²)

43832
44079
43898
43959

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Applied Mechanics and Graphic Statics
A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is

17° 48'
18° 48'
20° 48'
19° 48'

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Applied Mechanics and Graphic Statics
The bending moment in an arch is proportional to

Intercept between the arch axis and the funicular polygon
Vertical ordinate of funicular polygon
None of these
Vertical ordinate of the arch

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