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 15 of 26

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Q141.
The angle of friction is :

a.

The ratio of the friction and the normal reaction

b.

The force of friction when the body is in motion

c.

The angle between the normal reaction and the resultant of normal raction and limiting friction

d.

The force of friction at which the body is just about to move.

Discuss
Answer: (c).The angle between the normal reaction and the resultant of normal raction and limiting friction
Q142.
The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is √37 kgf. The magnitudes of the forces are :

a.

2 kgf, 3 kgf

b.

3 kgf, 4 kgf

c.

4 kgf, 5 kgf

d.

5 kgf, 3 kgf.

Discuss
Answer: (b).3 kgf, 4 kgf
Q143.
The motion of a particle is described by the relation x = t²- 10t + 30, where x is in metres and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be

a.

zero

b.

30 m

c.

50 m

d.

60 m

Discuss
Answer: (a).zero
Q144.
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

a.

concurrent

b.

parallel

c.

concurrent parallel

d.

none of these.

Discuss
Answer: (a).concurrent
Q145.
For perfectly elastic bodies, the value of coefficient of restitution is

a.

zero

b.

0.5

c.

1.0

d.

between 0 and 1.

Discuss
Answer: (c).1.0
Q146.
A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is

a.

2 cm

b.

3 cm

c.

4 cm

d.

5 cm.

Discuss
Answer: (d).5 cm.
Q147.
Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

a.

maximum if it acts at the centre of gravity of the body

b.

different at different points on its line of

c.

same at every point on its line of action

d.

minimum if it acts at the C.G. of the body

Discuss
Answer: (c).same at every point on its line of action
Q148.
A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

a.

0.33

b.

0.44

c.

0.57

d.

0.67

Discuss
Answer: (d).0.67
Q149.
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

a.

20 rad/sec

b.

15 rad/sec

c.

10 rad/sec

d.

5 rad/sec.

Discuss
Answer: (d).5 rad/sec.
Q150.
The acceleration of a train starting from rest at any instant is 1/6(V+1) m/sec² where V is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of

a.

2000 m

b.

2100 m

c.

2200 m

d.

2300 m

Discuss
Answer: (d).2300 m
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