a) Study of bodies under motion without considering forces
b) Application of mechanics to issues involving common engineering aspects
c) Study of bodies only under rest
d) Study of bodies only under motion
Q.2.
What is Mechanics?
a) Branch of science which deals with failure analysis
b) Branch of science which deals with conditions of rest or motion of bodies
c) Branch of science which deals with the study of bodies only under rest
d) Branch of science which deals with the study of bodies only under motion
Q.3.
Which of the following is a branch of mechanics?
a) Statics and kinetics
b) Statics and dynamics
c) Kinematics and dynamics
d) Kinetics and kinematics
Q.4.
Which of the following is the basic law for mechanics?
a) Newton’s law of viscosity
b) Parallelogram law
c) Newton’s laws of motion
d) Hooke’s law
Q.5.
Which of the following is termed as an action of pull or push of a body at rest or motion?
a) Torque
b) Momentum
c) Work
d) Force
Q.6.
What is Kinematics?
a) Branch of dynamics which deals with the study of bodies under motion without considering forces
b) Branch of dynamics which deals with the study of bodies at rest
c) Branch of dynamics which deals with the study of bodies under motion by considering forces
d) Branch of dynamics which deals with the study of bodies under the motion
Q.7.
Which of the following is the condition for the three-force theorem in mechanics?
a) The force system should be in equilibrium only
b) The force systems should be non-coplanar
c) The system should be co-planar, parallel
d) The force system should be in equilibrium, co-planar, concurrent, or parallel
Q.8.
Which of the following is the SI unit of force?
a) Kg m
b) Kg m2
c) Kg m2/s
d) Kg m/s2
Q.9.
According to which of the following laws of mechanics a body remains/continue in its state of rest or motion until it is disturbed by an external agent?
a) Newton’s first law of motion
b) Newton’s second law of motion
c) Newton’s third law of motion
d) Superposition law
Q.10.
Which of the following is the characteristic of force?
a) Magnitude of force
b) Point of application of force
c) Direction of application of force
d) All of the mentioned
Q.11.
When can two forces be in equilibrium?
a) They are equal in magnitude
b) They are collinear
c) They are opposite in direction
d) All of the mentioned
Q.12.
Which of the following statements describes the resultant of two forces?
a) Force that maintains the system in equilibrium
b) Force that has the highest magnitude in the system
c) Force that has the same effect as the two forces
d) Force that has the same effect as one force
Q.13.
The point of application where the total weight can be expected to be concentrated if the gravitational force is dispersed across the volume of the body is called ______
a) The surface of the body
b) The centroid of the body
c) Center of gravity of the body
d) Moment of inertia
Q.14.
What is a free-body diagram?
a) It’s a sketch of a moving body that shows internal forces of the body and reaction forces
b) It’s a sketch of an undisturbed body that shows external forces of the body
c) It’s a sketch of an isolated body that shows external forces of the body and reaction forces
d) It’s a sketch of a body in motion that shows bending forces of the body
Q.15.
The internal force in structures among the following is?
b) Compression force
c) Impact force
d) Bending force
a) Gravity force
Q.16.
Which of the following is a feature of friction?
a) Always acts in the direction opposite to the applied force
b) Not a self-adjusting force
c) Always acts in the direction of applied force
d) It is an active force
Q.17.
When there is no relative force between touching surfaces, which of the following force is developed?
a) Dry friction
b) Dynamic friction
c) Fluid friction
d) Static friction
Q.18.
When the surfaces of two bodies come in contact, there is a limited amount of resistance to sliding between them, which is known as _________
a) Lubrication
b) Friction
c) Internal forces
d) Attraction force
Q.19.
Which of the following doesn’t affect frictional force?
a) Surface roughness
b) Reaction of surface
c) Area of contact
d) Force tending cause motion
Q.20.
Which of the following is valid if two forces are represented by two sides of a triangle in order?
a) The resultant of two forces is represented by the third side in the same sequence
b) The resultant of two forces is represented by the third side in reverse order
c) The resultant’s magnitude is zero
d) The resultant’s magnitude is greatest
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