Center of Gravity MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 21, 2025

1. : On what the center of gravity of the uniform rod lies?
(A) Depends upon its material
(B) At its end
(C) At its center of its cross-sectional area
(D) At its middle point

2. : What is the point called, through which the whole weight of the body acts?
(A) Central point
(B) Center of gravity
(C) Centroid
(D) Inertial point

3. : What is the point called, at which the total area of the plane figure is assumed to be concentrated?
(A) Inertial point
(B) Centre of gravity
(C) Central point
(D) Centroid

4. : The center of gravity of the circle lies on________
(A) At its center
(B) Anywhere on its diameter
(C) Anywhere on its circumference
(D) Anywhere on its radius

5. : If the dimension of the upper web is 2×10 cm, the lower web is 2×20 cm, and that of the flange is 2×15 cm. If the y-axis passes through the center of the section, where will be the center of gravity of the I section?
(A) 11.5 cm
(B) 9.51 cm
(C) 9.31 cm
(D) 7.611 cm