Work shop calculation 2nd year MCQ-2 (Centre of gravity) Work shop calculation Welcome to your Work shop calculation 2nd year MCQ-2 (Centre of gravity) 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 weight 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 : Any where on its radius C : Any where on its circumference D : Any where 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 equilibriumʹs example is A cone resting on its tip? A : Stable B : Neutral C : Unstable D : Horizontal 9.Which one of the following geometrical shapeʹs 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.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 12Where is the centre of gravity in ʹTʹ section? A : 8.545 cm B : 6.5 cm C : 8.02 cm D : 7.5 cm 13.What is the centre of gravity of the rectangle? A : (6,3) B : (6,6) C : (6,1.5) D : (1.5, 3) 14.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 15.What is the centre of gravity of the square? A : (30, 20) B : (20,30) C : (30, 30) D : (25, 30) Time's up
