Top 150+ Solved Engineering Mechanics MCQ Questions Answer
Q. When a body of mass m attains a velocity v from rest in time t, then the kinetic energy of translation is
a. mv2
b. mgv2
c. 0.5 mv2
d. 0.5 mgv2
Q. Whenever a force acts on a body and the body undergoes a displacement, then
a. work is said to be done
b. power is being transmitted
c. body has kinetic energy of translation
d. none of these
Q. For any system of coplaner forces, the condition of equilibrium is that the
a. algebraic sum of the horizontal components of all the forces should be zero
b. algebraic sum of the vertical components of all the forces should be zero
c. algebraic sum of moments of all the forces about any point should be zero
d. all of the above
Q. The angle of inclination of the plane at which the body begins to move down the plane, is called
a. angle of friction
b. angle of repose
c. angle of projection
d. none of these
Q. The minimum force required to slide a body of weight W on a rough horizontal plane is
a. W sin ?
b. W cos ?
c. W tan ?
d. none of these
Q. The forces, whose lines of action are parallel to each other and act in the same directions, are known as
a. coplaner concurrent forces
b. coplaner non-concurrent forces
c. like parallel forces
d. unlike parallel forces