Engineering Mechanics The static friction All of these Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move All of these Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium. Towards back Towards front Inward Outward Towards back Towards front Inward Outward ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 0.1 N-m 100 N-m 1 N-m 10 N-m 0.1 N-m 100 N-m 1 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D - d) D/(D + d) 2D/(D + d) D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) D/(D - d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Static friction is always __________ dynamic friction. Equal to None of these Less than Greater than Equal to None of these Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
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