Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

May be obtained by graphic statics
Can be obtained by graphic statics
Cannot be obtained by graphic statics
Can be obtained by graphic statics by trial and error

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Applied Mechanics and Graphic Statics
Free body diagram is an

Isolated joint with internal forces acting on it
Isolated joint with only body forces acting on it
None of these
Isolated joint with all the forces, internal as well as external, acting on it

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Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Half the original velocity in the opposite direction
Original velocity in the opposite direction
Half the original velocity in the same direction
Original velocity in the same direction

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Applied Mechanics and Graphic Statics
Periodic time of body moving with simple harmonic motion, is

Directly proportional to the square of its angular velocity
Inversely proportional to the square of its angular velocity
Inversely proportional to its angular velocity
Directly proportional to its angular velocity

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