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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is

Independent of A
Proportional to 1/A²
Proportional to A²
Proportional to A

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Applied Mechanics and Graphic Statics
Minimum pull in a suspended cable with supports at two ends is equal to

Horizontal thrust
Resultant of horizontal thrust and support reaction
Support reactions
Half the weight of the cable

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

40 m/sec
50 m/sec
30 m/sec
20 m/sec

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Applied Mechanics and Graphic Statics
A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is Applied Mechanics and Graphic Statics mcq question image

120 kg
100 kg
130 kg
150 kg

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Applied Mechanics and Graphic Statics
If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

P sin θ/P + Q tan θ
Q sin θ/P + Q cos θ
Q sin θ/P + Q sin θ
P sin θ/P - Q cos θ

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Applied Mechanics and Graphic Statics
The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

0.02 m
2.5 m
2 m
20 m

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