Explore topic-wise MCQs in Engineering Mechanics.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

Determine the distance between the points of action of the forces, that is the normal force and the self-weight force in the given figure.

A. 9.08mm
B. 9.08cm
C. 9.08m
D. 9.8mmView Answer
Answer» B. 9.08cm
Discussion
2.

Calculate the product of normal force and the coefficient of friction between the body and the surface.

A. 183N
B. 116N
C. 100N
D. 180NView Answer
Answer» B. 116N
Discussion
3.

We first make equilibrium equations of the body by considering all the three dimensional forces acting on the section chosen and then the free body diagram is made and solved.

A. The first part of the statement is false and other part is true
B. The first part of the statement is false and other part is false too
C. The first part of the statement is true and other part is false
D. The first part of the statement is true and other part is true too
Answer» E.
Discussion
4.

What is not the condition for the equilibrium in free body diagram for calculation of the normal forces?

A. ∑Fx=0
B. ∑Fy=0
C. ∑Fz=0
D. ∑F≠0
Answer» E.
Discussion
5.

For equilibrium the normal forces acts in which direction in the free body diagrams?

A. Vertically Upward
B. Vertically Downward
C. Horizontally Right
D. Horizontally Left
Answer» B. Vertically Downward
Discussion
6.

The free body diagram used to explain the theory of dry friction is having ___________ distribution of both the normal forces and frictional surface.

A. Uneven
B. Even
C. Uniform
D. Equal
Answer» B. Even
Discussion
7.

In the explanation of the theory of friction, the block used to have an assumption. That is the upper portion of the block is considered to be rigid.

A. True
B. False
Answer» C.
Discussion
8.

The block used to explain the theory of friction is kept over non-deformable surface.

A. True
B. False
Answer» C.
Discussion
9.

IN_THE_EXPLANATION_OF_THE_THEORY_OF_FRICTION,_THE_BLOCK_USED_TO_HAVE_AN_ASSUMPTION._THAT_IS_THE_UPPER_PORTION_OF_THE_BLOCK_IS_CONSIDERED_TO_BE_RIGID.?$

A. True
B. False
Answer» C.
Discussion
10.

For equilibrium the normal forces acts in which direction in the free body diagrams?$

A. Vertically Upward
B. Vertically Downward
C. Horizontally Right
D. Horizontally Left
Answer» B. Vertically Downward
Discussion
11.

The block used to explain the theory of friction is kept over non-deformable surface?

A. True
B. False
Answer» C.
Discussion
12.

Theory of friction is explained over a block of weight W. Which of the following is the property of the surface on which block is present?

A. Non-rigid
B. Coloured red
C. Having density in negative
D. The motion of that block is always horizontal
Answer» B. Coloured red
Discussion
13.

The phenomena of horizontal pull and push explain what?

A. Theory of friction
B. Theory of relativity
C. Theory of action
D. Theory of forces
Answer» B. Theory of relativity
Discussion
14.

At what conditions the dry friction occurs between the surfaces in contact?

A. When there is no lubricating fluid
B. When there is no friction fluid
C. When there is no adhesive fluid
D. When there is no cohesive fluid
Answer» B. When there is no friction fluid
Discussion
15.

Who gave the concept of Dry friction?

A. C.A. Coulomb
B. GA. Coulomb
C. C.P Coulomb
D. Albert Einstein
Answer» B. GA. Coulomb
Discussion
16.

Dry friction is also called _____________

A. Column Friction
B. Coulomb Friction
C. Dry column friction
D. Surface friction
Answer» C. Dry column friction
Discussion
17.

The frictional force always acts ____________ to the surface of the application of the friction.

A. Tangential
B. Perpendicular
C. Parallel
D. Normal
Answer» B. Perpendicular
Discussion
18.

____________ is the phenomena that resist the movement of the two surfaces in contact.

A. Friction
B. Motion
C. Circular movement
D. Rotation
Answer» B. Motion
Discussion