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Home
Statistics Test - 15
Statistics Test - 15
Time Left -
Question
1/10
4 / -1
A
0
B
C
D
5
Question
2/10
4 / -1
A couple is of moment G and the force forming the couple is P. If P is turned through a right angle, the moment of the couple thus formed is H. If instead, the force P are turned an angle α, then the moment ofcouple becomes
A
G sin α –H cos α
B
H cos α+ G sin α
C
G cos α + H sin α
D
H sin α –G cos α
Question
3/10
4 / -1
The resultant of the forces 4, 3, 4 and 3 unit actingalong the lines AB, BC, CD and DA of a square ABCD of side \'a\' respectively is
A
A force 5√2 through the centre of the square
B
A couple of moment 7a
C
A null force
D
None of the above
Question
4/10
4 / -1
Three like parallel forces P, Q, R act at the corner pointsof a triangle ABC. Their resultant passes through the circumcentre, if
A
B
C
D
None of these
Question
5/10
4 / -1
A and B are two like parallel forces. A couple of moment H lies in the plane of A and B contained with them. The resultant of A and B after combining isdisplaced through a distance
A
B
C
D
Question
6/10
4 / -1
A system of five forces whose directions and non-zero magnitudes can be chosen arbitrarily, will never be in equilibrium if n of the forces are concurrent, where
A
n = 2
B
n = 3
C
n = 4
D
n = 5
Question
7/10
4 / -1
A uniform rod of weight W and length 2l is resting in a smooth spherical bowl of radius r. The rod is inclined to the horizontal at an angle of
A
0°
B
C
D
Question
8/10
4 / -1
There is a system of coplanar forces acting on a rigid body represented in magnitude, direction and sense by the sides of a polygon taken in order, then the system is equivalent to
A
A single non-zero force
B
A zero force
C
A couple, where moment is equal to the area of polygon
D
A couple, where moment is twice the area of polygon
Question
9/10
4 / -1
A 2m long uniform rod ABC is resting against a smooth vertical wall at the end A on a smooth peg at a point B. If distance of B from the wall is 0.3 m, then
A
AB < 0.3 m
B
AB < 1.0 m
C
AB > 0.3 m
D
AB > 1.0 m
Question
10/10
4 / -1
The resultant of two forces sec B and sec C along sidesAB, AC of a triangle ABC is a force acting along AD, where D is
A
Middle point of BC
B
Foot of perpendicular from A on BC
C
D divides BC in the ratio cos B : cos C
D
D divides BC in the ratio cos C : cos B
Submit
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Answered -
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Submit
-
Answered -
0
Un-answered -
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1
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