Applied Mechanics and Graphic Statics
A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

10 kg
60 kg
40 kg
100 kg

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Applied Mechanics and Graphic Statics
Free body diagram is an

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

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Applied Mechanics and Graphic Statics
The phenomenon of collision of two elastic bodies takes place because bodies

Attempt to regain its original shape due to their elasticities
All listed here
Tend to compress each other till they are compressed maximum possible
Immediately after collision come momentarily to rest

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Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Sphere with lesser rotational energy at bottom than cylinder
Both reach the bottom simultaneously with equal rotational energy at bottom
Cylinder with greater rotational energy at bottom than sphere
Sphere with greater rotational energy at bottom than cylinder

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