Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The matter contained in a body, is called Impulsive force Weight Momentum Mass Impulsive force Weight Momentum Mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at All of these The bottom surface The midpoint of its axis The centre of heavy portion All of these The bottom surface The midpoint of its axis The centre of heavy portion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω.r ω/r ω²/r ω².r ω.r ω/r ω²/r ω².r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A smooth cylinder lying on a __________ is in neutral equilibrium. Curved surface Horizontal surface Convex surface None of these Curved surface Horizontal surface Convex surface None of these ANSWER DOWNLOAD EXAMIANS APP