Applied Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Applied Mechanics, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Applied Mechanics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Applied Mechanics mcq questions that explore various aspects of Applied Mechanics problems. Each MCQ is crafted to challenge your understanding of Applied Mechanics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Applied Mechanics MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Applied Mechanics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Applied Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Applied Mechanics MCQs | Page 9 of 26

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Q81.
One Newton force, is

a.

10³ dynes

b.

10⁴ dynes

c.

10⁵ dynes

d.

10⁶ dynes

Discuss
Answer: (c).10⁵ dynes
Q82.
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is 1/2 , the velocities of separation of the balls will be equal to

a.

original velocity in the same direction

b.

half the original velocity in the same direction

c.

half the original velocity in the opposite direction

d.

original velocity in the opposite direction

Discuss
Answer: (d).original velocity in the opposite direction
Q83.
The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called

a.

angle of repose

b.

angle of friction

c.

angle of inclination

d.

none of these.

Discuss
Answer: (a).angle of repose
Q84.
Work may be defined as

a.

force x distance

b.

force x velocity

c.

force x acceleration

d.

none of these.

Discuss
Answer: (a).force x distance
Q85.
The centre of gravity of a triangle is at the point where three

a.

medians of the triangle meet

b.

perpendicular bisectors of the sides of the triangle meet

c.

bisectors of the angle of the triangle meet

d.

none of these.

Discuss
Answer: (a).medians of the triangle meet
Q86.
The forces which meet at one point and have their lines of action in different planes are called

a.

coplaner non-concurrent forces

b.

non-coplaner concurrent forces

c.

non-coplaner non-current forces

d.

intersecting forces

Discuss
Answer: (b).non-coplaner concurrent forces
Q87.
At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is

a.

7 km/hrs

b.

2 km/hrs

c.

1 km/hrs

d.

10 km/hrs

Discuss
Answer: (d).10 km/hrs
Q88.
The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t² + 5. The ratio of the accelerations after 5 sec and 3 sec will be

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (a).2
Q89.
The locus of the instantaneous centre of a moving rigid body, is

a.

straight line

b.

involute

c.

centroid

d.

spiral.

Discuss
Answer: (c).centroid
Q90.
If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
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