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 7 of 26

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Q61.
A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

a.

40 kg

b.

60 kg

c.

10 kg

d.

100 kg.

Discuss
Answer: (c).10 kg
Q62.
If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

a.

8°

b.

9°

c.

10°

d.

11°

Discuss
Answer: (c).10°
Q63.
A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

a.

200 tonnes at the centre

b.

500 tonnes at the centre

c.

200 tonnes at the right support

d.

200 tonnes at the left support.

Discuss
Answer: (b).500 tonnes at the centre
Q64.
A particle moves along a straight line such that distance x traversed in t seconds is given by x = t²(t + 1), the acceleration of the particle, will be

a.

3t³ - 2t

b.

3t² + 2t

c.

6t - 2

d.

6t + 2

Discuss
Answer: (d).6t + 2
Q65.
The Law of Polygon of Forces states that

a.

if a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium

b.

if forces acting on a point can be represented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon

c.

if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order

d.

if forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium.

Discuss
Answer: (c).if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
Q66.
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

a.

its longer side"

b.

its shorter side"

c.

the diagonal of the parallelogram which does not pass through the point of intersection of the forces"

d.

the diagonal of the parallelogram which passes through the point of intersection of the forces"

Discuss
Answer: (d).the diagonal of the parallelogram which passes through the point of intersection of the forces"
Q67.
Which one of the following statements is true ?

a.

The tangent of the angle of friction is equal to coefficeint of friction

b.

The angle of repose is equal to angle of friction

c.

The tangent of the angle of repose is equal to coefficient of friction

d.

All the above.

Discuss
Answer: (d).All the above.
Q68.
A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration

a.

at the start

b.

at the top of the trajectory

c.

as it strikes the ground

d.

else where.

Discuss
Answer: (a).at the start
Q69.
The unit of Moment of Inertia of a body, is

a.

m

b.

m²

c.

m³

d.

m⁴

Discuss
Answer: (d).m⁴
Q70.
If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

a.

a uniform retardation

b.

a uniform acceleration

c.

a variable acceleration

d.

a variable retardation

Discuss
Answer: (c).a variable acceleration
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