Statistics Test

Result

Statistics Test - 12

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

When a particle be kept at rest under the action of the following forces

A

B

C

D

Solution
Question 2
4 / -1

A
1 : 1

B
1 : 2

C
1 : 3

D
1 : 4

Solution
Question 3
4 / -1

If the forces of 12, 5 and 13 unit-wt balance at a point, two of them are inclined at

A
30°

B
45°

C
90°

D
60°

Solution
Question 4
4 / -1

Forces of 1, 2 unit act along the lines x = 0 and y = 0. The equation of the line of action of the resultant is

A

B

C

D

Solution
Question 5
4 / -1

If N is resolved in two components such that first istwice of other, the components are

A

B

C

D
None of these

Solution
Question 6
4 / -1

Three forces P, Q, R are acting at a point in a plane. The angle between P, Q and Q, R are 150° and 120° respectively, then for equilibrium; forces P, Q, R are inthe ratio

A
1 : 2 : 3

B
1 : 2 : 3^1/2

C
3 : 2 : 1

D
(3)^1/2 : 2 : 1

Solution
Question 7
4 / -1

A
4

B
5

C

D
30

Solution
Question 8
4 / -1

A
π /2

B
2π /3

C
π / 4

D
4π / 5

Solution
Question 9
4 / -1

Forces proportional to AB, BC and 2CA act along thesides of triangle ABC in order, their resultants represented in magnitude and direction is

A

B

C

D

Solution
Question 10
4 / -1

Let ABC be an equilateral triangle formed by weightless inextensible strings, the side AB is horizontal. A and B are tied to fixed points D and E by equal weightless inextensible strings AD, BE; a weight of W gm is attached at C. The angle DAB, ABE are each 150°. Then which of the following statements is true

A
The tensions in the strings AB, BC and CA are equal

B
The tensions in the strings BE, AD are inversely proportional

C
The tension in BE is less than the tension in AB

D
The tension in AD is twice the tension in BC

Solution