WorksheetsAPPLIED SCIENCE MODEL INTERMEDIATE TEST
Total questions: 43
Worksheet time: 32mins
Name
Class
Date
1.
In ----------- system the units of length, mass and time are in centimeter, gram and second respectively.
a)
C.G.S. system
b)
F.P.S. system
c)
M.K.S. System
d)
none of these
2.
Quantities that can be expressed in terms of two or more fundamental quantities are called------------quantities
a)
Fundamental
b)
Derived
c)
both A & B
d)
none of these
3.
Dimension of length is ------------
a)
[M]
b)
[L]
c)
[T]
d)
[MLT]
4.
When a body moves in-----------then it is executing linear motion.
a)
circle
b)
triangle
c)
straight line
d)
all of these
5.
The time rate of change of displacement of an object is ----------------
a)
Velocity
b)
acceleration
c)
gravity
d)
none of these
6.
v² = u²+-----as
a)
3
b)
4
c)
2
d)
1
7.
Starting from rest, an object accelerates at a rate of 10 m/s2. What is the velocity of the object at the end of 2.0 seconds?
a)
36 m/s
b)
20m/s
c)
18m/s
d)
5m/s
8.
For every action there is-------- and opposite reaction
a)
an equal
b)
greater
c)
equal or greater
d)
equal or less
9.
A system that has no gain nor loss of mass----------------
a)
Closed System
b)
open system
c)
both A & B
d)
none of these
10.
SI unit of force is ----------
a)
m/s
b)
ampere
c)
newton .
d)
joule
11.
The property of a body by virtue of which it opposes any change in its uniform moton or rest is---------------- of the body
a)
mass
b)
velocity
c)
acceleration
d)
inertia
12.
Work=force x ----------------
a)
acceleration
b)
distance
c)
time
d)
velocity
13.
According to Law of conservation of energy total energy always remains the---------
a)
less
b)
same
c)
more
d)
none of these
14.
a car turning through a curve in a race track is an example of -------------- motion
a)
linear
b)
circular
c)
none of these
d)
both A & B
15.
Angular velocity is usually represented by the symbol-----
a)
omega (ω).
b)
alpha
c)
beta
d)
gamma
16.
Combining the components of a force into a resultant force is called -----
a)
composition of force.
b)
resolution of force
c)
both A & B
d)
none of these
17.
The ----------------- represent the resultant force in a parallelogram law
a)
principal diagonal
b)
any side
c)
closing side
d)
none of these
18.
R =√(P2+Q2+2PQ----)
a)
cos ∞
b)
sin∞
c)
tan∞
d)
cot∞
19.
The third or the closing side of the triangle represent the resultant force in a ---- law
a)
parallelogram
b)
triangle
c)
both A & B
d)
none of these
20.
Polygon law is applicable for ----------- forces
a)
concurrent
b)
coplanar
c)
non-concurrent
d)
none of these
21.
condition equilibrium is when force acting on an object is --------------
a)
more
b)
zero
c)
less
d)
equal or less
22.
The forces, whose lines of action lie on the same line, are known as ---------
a)
collinear forces
b)
coplanar Forces
c)
concurrent forces
d)
non-concurrent forces
23.
If a body in equilibrium is acted upon by three forces then the resultant of any two forces must be equal, opposite and -------------with the third force
a)
coplanar Forces
b)
collinear
c)
zero
d)
none of these
24.
The three forces P, Q, R keep the body in equilibrium, then Lami’s theorem establishes that P/ sin α = Q / sin β = R / sin r= ----------
a)
constant
b)
zero
c)
one
d)
none of these
25.
Two forces 12N and 10N act on a point at an angle of 60 degree. Find resultant force.
a)
19.07N
b)
18.45N
c)
32N
d)
22.43N
26.
The product of the force and perpendicular distance of application of the force -------
a)
moment
b)
couple
c)
both A & B
d)
none of these
27.
The effect of a couple acting on a body is to----------- it
a)
rotate
b)
move in a line
c)
both A & B
d)
none of these
28.
The centre of gravity may be found by anyone of the following methods
a)
Geometrical consideration
b)
Method of graphical
c)
Method of moments
d)
All the above
29.
Moment of inertia of elementary area about any axis is the product of ______ and the square of its ________ distance from the axis
a)
Area and perpendicular
b)
Area and parrallel
c)
Volume and perpendicular
d)
Volume and parallel
30.
The C.G of a hemisphere is at a distance of _________
a)
3r/8
b)
h/4
c)
3r/4
d)
None of the above
31.
The plane figures having only area , but no mass.The centre of such figure is known as _________
a)
Centre of gravity
b)
Centroid
c)
Axis of reference
d)
All the above
32.
The triangle has ______ number of medians
a)
1
b)
2
c)
3
d)
4
33.
The force of attraction which is proportional to the mass of the particle acts vertically downwards and is known as __________ of the body.
a)
Volume
b)
Mass
c)
Weight
d)
Length
34.
The point through which the whole weight of a body acts irrespective of the position of the body is known as _______
a)
Centroid
b)
Centre of gravity
c)
Axis of symmetry
d)
All the above
35.
The C.G of a semicircle is at a distance of _______ from its base
a)
3r/8
b)
4r/3π
c)
3r/4
d)
None of the above
36.
The C.G of a right circular solid cone is at a distance of _______ from its base
a)
4r/3π
b)
3r/8
c)
h/4
d)
3r/4
37.
The C.G of a rectangle is at the point where the two ____________ meet each other.
a)
Diagonals
b)
Centre
c)
Axis
d)
All the above
38.
The C.G of the triangles is at the point where the three _________ of the triangle meet.
a)
Medians
b)
Diagonals
c)
Mass
d)
None of the above
39.
The ________________ of solid bodies is found out in the same way as that of plane figure.
a)
Centroid
b)
Centre of gravity
c)
Axis of reference
d)
None of the above
40.
The only difference between the plane and solid bodies is that in the case of solid bodies, we calculate __________ instead of areas.
a)
Volume
b)
Mass
c)
Weight
d)
None of the above
41.
The C.G of a uniform rod is at its _______________
a)
Top
b)
Middle point
c)
Bottom
d)
None of the above
42.
Friction is a force that acts in the ______ direction of the intended motion of an object.
a)
Same
b)
Parallel
c)
Opposite
d)
Anydirection
43.
Friction changes the energy of an object from kinetic energy to _____ energy.
a)
Electric
b)
heat
c)
chemical
d)
mechanical
100 %
