1. Which affects the centre of gravity of the object?
A    :   Weight
B    :   Mass
C    :   Density
D    :   Shape

2. What is the name of the point at which all the eight of the body concentrated?
A    :    Initial point
B    :    Centre of gravity
C    :    Centroid
D    :    Central point

3. Where the centre of gravity of a circle lies?
A    :    At its centre
B    :    Anywhere on its radius
C    :    Anywhere on its circumference
D    :    Anywhere on its diameter

4. What is the centre of gravity of a right circular cone from its base?
A    :    h/2
B    :    h/3
C    :    h/4
D    :    h/5

5. What is the centre of gravity of a rectangular body?
A    :    Longer side of rectangle
B    :    Shorter side of rectangle
C    :    At the point of intersection of its diagonals
D    :    At the corners

6. What is the centre of gravity of a solid hemisphere from its base?
A    :   4r/5
B    :   3r/8
C    :   3r/4
D    :   r/2

7. What is the centre of gravity of a sphere?
A    :    At the centre
B    :    On the circumference
C    :    At the diameter
D    :    At the radius

8. Which state of equilibrium’s example is A cone resting on its tip?
A    :    Stable
B    :    Neutral
C    :    Unstable
D    :    Horizontal

9. Which one of the following geometrical shape’s centre of gravity lies from its base is 1/3 of its height?
A    :    Square
B    :    Rhombus
C    :    Triangle
D    :    Cone

10. Which state of equilibriumʹs example is, A cone resting on its base?
A    :    Un-stable
B    :    Neutral
C    :    Stable
D    :    Bothe A and B

11. Where is the centre of gravity in ʹTʹ section?

A    :   8.545 cm
B    :   6.5 cm
C    :   8.02 cm
D    :   7.5 cm

12. What is the centre of gravity of the rectangle?
A    :    (6,3)
B    :    (6,6)
C    :    (6,1.5)
D    :    (1.5, 3)

13. What is the centre of gravity of the lamina?
A    :   1.55 cm
B    :   2.0 cm
C    :   1.5 cm
D    :   1.45 cm

14. What is the centre of gravity of the object?
A    :   90.6 mm
B    :   90.0 mm
C    :   89.2 mm
D    :   89.25 mm

15. What is the centre of gravity of the conical object?
A    :   42.5 mm
B    :   44.3 mm
C    :   42.3 mm
D    :   43.85 mm

16. What is the centre of gravity of the square?
A    :    (30, 20)
B    :    (20,30)
C    :    (30, 30)
D    :    (25, 30)

17. What is the centre of gravity of the cone base 10cm and height 50 cm?
A    :   10.5 cm
B    :   12.5 cm
C    :   11.25 cm
D    :   12.75 cm

18. What is the centre of gravity of a semi-circle of diameter 12 cm?
A    :   2.24 cm
B    :   2.54 cm
C    :   3.25 cm
D    :   2.75 cm