Applied Mechanics and Graphic Statics
Free body diagram is an

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

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Applied Mechanics and Graphic Statics
The maximum displacement of a particle executing S.H.M. corresponds to

Zero kinetic energy and maximum potential energy
Maximum kinetic energy and maximum potential energy
Minimum kinetic energy and minimum potential energy
Zero potential energy and maximum kinetic energy

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