WorksheetsD4(RAH) APPLIED MECHANICS QUIZ OF THE DAY
Total questions: 30
Worksheet time: 27mins
Name
Class
Date
1.
Which of the following is a scalar quantity?
a)
Force
b)
Velocity
c)
acceleration
d)
Distance
2.
What is the dimensional formula of force?
a)
M¹L¹T⁻¹
b)
M¹L¹T⁻²
c)
M¹L²T⁻²
d)
M¹L⁻¹T⁻²
3.
Which prefix represents 10^6?
a)
Kilo
b)
Mega
c)
Giga
d)
Tera
4.
What is the value of 1 kgf in Newtons?
a)
7.233 N
b)
9.81 N
c)
10 N
d)
105 N
5.
Which system uses poundal as a unit of force?
a)
FPS system
b)
MKS system
c)
CGS system
d)
SI system
6.
What is the freezing point of water in Fahrenheit scale?
a)
0°F
b)
32°F
c)
100°F
d)
212°F
7.
Which law states that 'For every action, there is an equal and opposite reaction'?
a)
First Law of Motion
b)
Second Law of Motion
c)
Third Law of Motion
d)
Law of Universal Gravitation
8.
What is the formula for work done?
a)
W = F + S
b)
W = F/S
c)
W = F × S
d)
W = F × V
9.
Which of the following best defines kinetic energy?
a)
Energy possessed due to position
b)
Energy possessed due to motion
c)
Energy dissipated as heat
d)
Energy lost due to friction
10.
In Lami’s theorem, what must be true for equilibrium?
a)
Forces proportional to cosines of angles
b)
Forces proportional to sines of angles
c)
Forces proportional to the sides of a triangle
d)
Sum of forces is zero
11.
Moment of inertia of a circular section about centroidal axis is given by?
a)
πD⁴/64
b)
πD⁴/12
c)
πD⁴/32
d)
πD⁴/4
12.
What is the unit of moment of force?
a)
Nm
b)
kg.m²
c)
N/mm
d)
Pa
13.
Which theorem states that Izz = Ixx + Iyy?
a)
Parallel Axis Theorem
b)
Perpendicular Axis Theorem
c)
Varignon’s Theorem
d)
Lami’s Theorem
14.
Which type of force system has forces meeting at a single point?
a)
Collinear Force System
b)
Coplanar Force System
c)
Concurrent Force System
d)
Parallel Force System
15.
What is the kinetic energy of a body of mass 10 kg moving at 2 m/s?
a)
6 J
b)
14 J
c)
20 J
d)
40 J
16.
Which law states that the rate of change of momentum is directly proportional to the applied force?
a)
First Law of Motion
b)
Second Law of Motion
c)
Third Law of Motion
d)
Law of Gravitation
17.
What is the SI unit of pressure?
a)
Newton per square meter
b)
Newton per meter
c)
Pascal per meter
d)
Joule per square meter
18.
Which system of force has all forces along the same line?
a)
Collinear Force System
b)
Concurrent Force System
c)
Coplanar Force System
d)
Parallel Force System
19.
What is the centroidal distance (x̄) of a semicircular section from its base?
a)
D/2
b)
4R/3π
c)
4D/3π
d)
D
20.
What is the formula for moment of a couple?
a)
M = F × d
b)
M = F + d
c)
M = F / d
d)
M = F - d
21.
What is the value of gravitational constant (G) in Universal Law of Gravitation?
a)
6.67 × 10⁻¹¹ N m²/kg²
b)
9.81 N m²/kg²
c)
1.01 × 10⁵ N/m²
d)
3.00 × 10⁸ N m²/kg²
22.
According to Varignon’s Theorem, the moment of a force about a point is equal to the sum of moments of its ________.
a)
components
b)
resultants
c)
moments
d)
torques
23.
Which theorem states that IAB = ICG + A h²?
a)
Parallel Axis Theorem
b)
Perpendicular Axis Theorem
c)
Varignon’s Theorem
d)
Lami’s Theorem
24.
Which of the following is NOT a standard unit of force?
a)
Newton
b)
Poundal
c)
Dyne
d)
Kelvin
25.
The set of forces, whose resultant is zero, are known as
a)
Equilibrium forces
b)
Collinear forces
c)
Coplanar forces
d)
Concurrent forces
26.
Splitting up of a single force into two or more components without changing its effect
a)
Resultant force
b)
Component forces
c)
Resolution of forces
d)
Composition of force
27.
"Moment of a force about an axis is equal to the sum of the moment of its components about the same axis" is
a)
D'Alembert's principle
b)
Hooke's law
c)
Varignon's theorem
d)
None of the above
28.
Two vectors are equal if they have:
a)
Same dimension
b)
Same magnitude
c)
Same magnitude and direction
d)
Same directions
29.
A force of 20 N is applied perpendicular to the edge of a door of 0.9 m wide, what is the moment of the force about the hinge?
a)
19.1 N·m
b)
18 N·m
c)
0.45 N·m
d)
22.2 N·m
30.
A couple produces
a)
Translator motion
b)
Rotational motion
c)
Combined translator and rotational motion
d)
None of the above
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