Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Towards the wall at its upper end Upward at its upper end Downward at its upper end Away from the wall at its upper end Towards the wall at its upper end Upward at its upper end Downward at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 45° 60° 30° 90° 45° 60° 30° 90° 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 vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Four times Six times Two times Nine times Four times Six times Two times Nine times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a²/8 a³/12 a⁴/16 a⁴/12 a²/8 a³/12 a⁴/16 a⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, To every action, there is always an equal and opposite reaction None of these The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force To every action, there is always an equal and opposite reaction None of these The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω Iω2 0.5 Iω 0.5 Iω2 Iω Iω2 0.5 Iω 0.5 Iω2 ANSWER DOWNLOAD EXAMIANS APP
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