# Civil Graphic Statics MCQ Quiz Questions – Set 21

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## Q1. Effect of a force on a body depends upon its

(A) Direction
(B) Magnitude
(C) Position
(D) All the above

(A) v = 2gh
(B) v = 2gh2
(C) v = √(2gh)
(D) v = 1/√(2gh)

(A) 64 J
(B) 400 J
(C) 464 J
(D) 89 J

(A) E
(B) E/2
(C) 2E
(D) 4E

## Q6. In SI units, the units of force and energy are respectively

(A) Newton and watt
(B) Dyne and erg
(C) Newton and joule
(D) kg wt and joule

(A) 5 √10 m/sec
(B) 10 √5 m/sec
(C) 5 √3 m/sec
(D) 3 √5 m/sec

(A) 0°
(B) 30°
(C) 45°
(D) 90°

## Q9. The point about which combined motion of rotation and translation of a rigid body takes place, is known as

(A) Virtual centre
(B) Instantaneous centre
(C) Instantaneous axis
(D) Point of rotation

## Q10. The velocity of a moving body, is

(A) A vector quantity
(B) A scalar quantity
(C) A scalar as well as a vector quantity
(D) None of these

## Q11. The resultant of the forces acting on a body will be zero if the body

(A) Rotates
(B) Moves with variable velocity in a straight line
(C) Moves along a curved path
(D) Does not move at all

Answer: (D) Does not move at all

(A) 30°
(B) 45°
(C) 90°
(D) 0°

(A) 1 : 2
(B) 1 : 1
(C) 2 : 1
(D) 3 : 1

## Q14. The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is

(A) Less than 1
(B) Equal to 1
(C) Between 1 and 2
(D) Greater than 2

(A) 2u sinα/g
(B) 2u cosα/g
(C) 2u tanα/g
(D) 2u cotα/g