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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
The angles between two forces to make their resultant a minimum and a maximum respectively are

180° and 0°
90° and 180°
180° and 90°
0° and 90°

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Applied Mechanics and Graphic Statics
In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is

5
1.5
25
314

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Applied Mechanics and Graphic Statics
On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force

Acts tangentially to the circular path
Acts towards the centre of rotation
Acts away from the centre of rotation
Is mw2r/g kgf

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Applied Mechanics and Graphic Statics
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is

πd⁴/32
π/64 (D⁴ + d⁴)
πd⁴/16
πd⁴/24

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Applied Mechanics and Graphic Statics
A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length

Must be increased
Is not changed but weight of the bob is decreased
Must be decreased
Is not changed but weight of the bob is increased

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Applied Mechanics and Graphic Statics
The length of a Second's pendulum, is

101 cm
99.0 cm
99.4 cm
100 cm

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