Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Upward at its upper end Downward at its upper end Perpendicular to the wall at its upper end Zero at its upper end Upward at its upper end Downward at its upper end Perpendicular to the wall at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Power None of these Kinetic energy Potential energy Power None of these Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A reversible machine None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Rolling friction Sliding friction Limiting friction Kinematic friction Rolling friction Sliding friction Limiting friction Kinematic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω2.y ω3.y ω.y ω2/y ω2.y ω3.y ω.y ω2/y ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/4 bh3/36 bh3/12 bh3/8 bh3/4 bh3/36 bh3/12 bh3/8 ANSWER DOWNLOAD EXAMIANS APP
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