Concurrence of the medians
Intersection of its altitudes
Intersection of bisector of angles
Intersection of diagonals
A. Concurrence of the medians
Balance each other
Produce a couple and an unbalanced force
Are equivalent
Cannot balance each other
No
Minimum
Maximum
None of these
Reaction of any smooth surface with which the body is in contact
Reaction of a rough surface of a body which rolls on it without slipping
Reaction at a point or an axis, fixed in space, around which a body is constrained to turn
All of the above
Impulsive force
Mass
Weight
Momentum
+8.9 m/s2
-8.9 m/s2
+9.8 m/s2
-9.8 m/s2
πN/60
πN/180
2πN/60
2πN/180
db3/12
bd³/12
db³/36
bd³/36
Coplanar concurrent forces
Coplanar non-concurrent forces
Like parallel forces
Unlike parallel forces
Zero
Minimum
Maximum
None of these
The algebraic sum of the resolved parts of the forces in the given direction
The sum of the resolved parts of the forces in the given direction
The difference of the forces multiplied by the cosine of θ
The sum of the forces multiplied by the sine of θ
bh3/4
bh3/8
bh3/12
bh3/36
g sinθ
g cosθ
g tanθ
None of these
The centre of heavy portion
The bottom surface
The midpoint of its axis
All of the above
P + Q
P - Q
P / Q
Q / P
πd3/16
πd3/32
πd4/32
πd4/64
These forces are equal
The lines of action of these forces meet in a point
The lines of action of these forces are parallel
Both (B) and (C) above
The two bodies will momentarily come to rest after collision
The two bodies tend to compress and deform at the surface of contact
The two bodies begin to regain their original shape
All of the above
5
10
20
40
h/2
h/3
h/4
h/6
Coplanar
Meet at one point
Both (A) and (B) above
All be equal
Force
Speed
Velocity
Acceleration
Stable
Unstable
Neutral
None of these
Meet at one point, but their lines of action do not lie on the same plane
Do not meet at one point and their lines of action do not lie on the same plane
Do not meet at one point but their lines of action lie on the same plane
None of the above
Two members with unknown forces of the frame
Three members with unknown forces of the frame
Four members with unknown forces of the frame
Three members with known forces of the frame
The kinetic energy of a body during impact remains constant.
The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact.
The kinetic energy of a body before impact is less than the kinetic energy of a body after impact.
The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.
Equal to
Less than
Greater than
None of these
The C.G. of a circle is at its centre
The C.G. of a triangle is at the intersection of its medians
The C.G. of a rectangle is at the intersection of its diagonals
The C.G. of a semicircle is at a distance of r/2 from the centre
Iω
Iω2
0.5 Iω
0.5 Iω2
Friction
Limiting friction
Repose
Kinematic friction
Inelastic bodies
Elastic bodies
Neither elastic nor inelastic bodies
None of these