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Applied Mechanics and Graphic Statics

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
1.0 m
0.5 m

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Applied Mechanics and Graphic Statics
A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be

√(gra/h)
4√(gra/h)
gra/h
∛(gra/h)

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Applied Mechanics and Graphic Statics
Force polygon method is applicable for

Concurrent coplanar force system
Non-concurrent coplanar force system
A system of parallel forces only
Any coplanar force system

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

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Applied Mechanics and Graphic Statics
The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of

h/4
2h/3
h/3
3h/4

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Applied Mechanics and Graphic Statics
Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

Dip of the cable increases
Length of the cable increases
Dip of the cable decreases
None of these

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