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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is

150 J
400 J
50 J
200 J

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Applied Mechanics and Graphic Statics
When a body falls freely under gravitational force, it possesses

Minimum weight
No effect on its weight
No weight
Maximum weight

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Applied Mechanics and Graphic Statics
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

T = g(M1 - M2)/(M1 + M2)
T = g(M2 - M1)/(M1 + M2)
T = g(M1 + M2)/(M1 × M2)
T = g(M2 + M1)/(M2 - M1)

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Applied Mechanics and Graphic Statics
Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is

b⁴/12
b⁴/3
b⁴/8
b³/4

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Applied Mechanics and Graphic Statics
A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be

10 m/sec
None of these
Zero
5 m/sec

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Applied Mechanics and Graphic Statics
The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is

Equal to 1
Between 1 and 2
Greater than 2
Less than 1

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