Engineering Mechanics Questions

• The energy possessed by a body, for doing work by virtue of its position, is called
• If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,
• Which of the following statement is incorrect?
• The potential energy stored by a spring in compression, is called strain energy.
• In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.
• The forces, which meet at one point and their lines of action also lie on the same plane, are known as
• Which of the following are vector quantities?
• An ideal machine is one whose efficiency is
• 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:
• According to lami's theorem
• The moment of the force P about O as shown in the below figure is
• The coefficient of restitution for inelastic bodies is
• The impact between two lead spheres is approximately equal to an __________ impact.
• In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
• The matter contained in a body, is called
• The frequency of oscillation of a compound pendulum is(where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)
• The amplitude is always __________ radius of the circle.
• The moment of a force
• The total motion possessed by a body, is called
• The forces, which do not meet at one point, but their lines of action lie on the same plane, are known as coplaner non-concurrent forces.