Engineering Mechanics Coefficient of friction depends upon Area of contact only Nature of surface only Both (A) and (B) None of these Area of contact only Nature of surface only Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. None of these Less than Greater than Equal to None of these Less than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium. Outward Towards back Towards front Inward Outward Towards back Towards front Inward ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of gravity Moment of inertia Center of percussion Center of mass Center of gravity Moment of inertia Center of percussion Center of mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that tanθ = √(ΣV + ΣH) tanθ = ΣV × ΣH tanθ = ΣH/ΣV tanθ = ΣV/ΣH tanθ = √(ΣV + ΣH) tanθ = ΣV × ΣH tanθ = ΣH/ΣV tanθ = ΣV/ΣH ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS