Engineering Mechanics 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. This statement is known as Newton's third law of motion None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion None of these Newton's first law of motion Newton's second law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α + φ)/tanα tan(α - φ)/tanα tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα tanα/tan (α + φ) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium. Inward Towards front Towards back Outward Inward Towards front Towards back Outward ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A cable with a uniformly distributed load per horizontal meter run will take the following shape Parabola Elliptical Hyperbola Straight line Parabola Elliptical Hyperbola Straight line ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A smooth cylinder lying on its convex surface remains in __________ equilibrium. Neutral Unstable None of these Stable Neutral Unstable None of these Stable ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The centre of heavy portion The midpoint of its axis All of these The bottom surface The centre of heavy portion The midpoint of its axis All of these The bottom surface ANSWER DOWNLOAD EXAMIANS APP