Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/5 4mr²/5 2mr²/5 3mr²/10 3mr²/5 4mr²/5 2mr²/5 3mr²/10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act 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 Upward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero Either (A) or (B) None of these No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero Either (A) or (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 7.8 N 8.9 N 12 N 9.8 N 7.8 N 8.9 N 12 N 9.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible Reversible Ideal None of these Non-reversible Reversible Ideal None of these ANSWER DOWNLOAD EXAMIANS APP
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