The locus of instantaneous centre of a moving rigid body
A.Involute
B.Cycloid
C.Epicycloid
D.Centrode
E.Straight line
Category: Applied Mechanics Mcqs
In the above problem, acceleration of crooshead at 30? phase equals
A.520 m/s2
B.640 m/s2
C.780 m/s2
D.870 m/s2
The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all particles-is known as
A.Nowton’s law
B.Corollary to Newton’s laws of motion
C.Mohr’s principle
D.D’ Alembert’s principle
E.Principle of dynamics
Which of the following statement is false?
A.The density of milk decreases when cream is taken out of milk
B.A cyclist should move along a zig-zag path while ascending a steep hill
C.The linear velocity of bodies near the earth’s equator (due to rotation of earth) is more than the velocities of particles at the pole
D.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant)
A non-reversible machine has efficiency
A.nearly 100%
B.between 75% and 99%
C.more than 50%
D.less than 50%
Coulomb’s law for the force between electric charges most closely resembles
A.Newton’s laws of motion
B.Law of conservation of energy
C.Gauss’s theorem
D.Newton’s law of gravitation
E.None of the above
A compressure force in boom in above problem is
A.1096 kg
B.693 kg
C.1390 kg
D.886 kg
The principle of conservation of energy cannot be applied in case of
A.Simple pendulum
B.A particle moving in gravitational field
C.Frictionless movement of a principle over a surface
D.Frictional movement of a particle over a surface
E.Flow of water in a pipe
During SHM which of the following is conserved?
A.Kinetic energy
B.Potential energy
C.Total energy
D.Momentum
E.All of the above
