Statistics Test

Result

Statistics Test - 13

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

With two forces acting at a point, the maximum effect is obtained when their resultant is 4 N. If they act at right angles, then their resultant is 3 N. Then the forcesare

A

B

C

D

Solution
Question 2
4 / -1

If the resultant of two forces of magnitudes P and Q acting at a point at an angle of 60° is √7 Q, then P/Q is

A
1

B

C
2

D
4

Solution
Question 3
4 / -1

The resultant of two forces acting on a particle is at right angles to one of them and its magnitude is one third of the magnitude of the other. The ratio of thelarger force to the smaller is

A

B

C
3 : 2

D
4 : 3

Solution
Question 4
4 / -1

If two forces P and Q act on such an angle that their resultant force R is equal to force P, then if P is doubled then the angle between new resultant force and Q willbe

A
30°

B
60°

C
45°

D
90°

Solution
Question 5
4 / -1

The resultant of two forces P and Q is R. If the direction of P is reversed keeping the direction Q same, the resultant remains unaltered. The angle between P andQ is

A
90°

B
60°

C
45°

D
30°

Solution
Question 6
4 / -1

A

B

C

D
None of these

Solution
Question 7
4 / -1

Forces M and N acting at a point Omake an angle 150°. Their resultant acts at Ohas magnitude 2 unit and is perpendicular to M. Then, in the same unit, the magnitudes of M and N are

A

B

C
3, 4

D
4, 5

Solution
Question 8
4 / -1

If the resultant of two forces of magnitude P and 2P is perpendicular to P, then the angle between the forces is

A
2π/ 3

B
3π/ 4

C
4π/5

D
5π/6

Solution
Question 9
4 / -1

Like parallel forces act at the vertices A, B and C of atriangle ABC and are proportional to the lengths BC, AC and AB respectively. The centre of the forces is at the

A
Centroid

B
Circum-centre

C
Incentre

D
None of these

Solution
Question 10
4 / -1

Two like parallel forces P and 3P act on a rigid body at points A and B respectively. If the forces are interchanged in position, the resultant will be displaced through a distance of

A

B

C

D

Solution