Engineering Mechanics Questions

• In the shown figure, the tension (T) in the string will be
• The rate of change of displacement of a body is called
• If the body falls freely under gravity, then the gravitational acceleration is taken as
• A smooth cylinder lying on a __________ is in neutral equilibrium.
• The radius of gyration is the distance where the whole mass (or area) of a body is assumed to be concentrated.
• A framed structure, as shown in the below figure, is a
• The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by(where r = Amplitude of motion, and y = Displacement of the particle from mean position.)
• The static friction
• A couple produces
• The total energy possessed by a system of moving bodies
• In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.
• When the spring of a watch is wound, it will possess
• The angle of inclination with the vertical is __________ if the cyclist is running at a faster speed than that when he is running at a slower speed.
• An irregular body may have more than one centre of gravity.
• The maximum height of a projectile on a horizontal plane, is
• In a screw jack, the effort required to lift the load is given by(where W = Load lifted, α = Helix angle, and φ = Angle of friction.)
• The resultant of the two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then
• Whenever a force acts on a body and the body undergoes a displacement, then
• Moment of inertia of a circular section about its diameter (d) is
• When a particle moves along a straight path, there will be centripetal acceleration as well as tangential acceleration.