UNIT 06

The distance of centriod from the axis obtained by

• adding total moment of area by total area of composite section

• dividing  total moment of area by total area of composite section

• substracting all moments from area

• dividing all moments by total are

The center of gravity is the point 

• through the which whole mass of body concentrates

• through which the line of gravity passes

• where gravity is zero

• through the which whole weight of body acts

For T section, which of following axis is taken as zero

• Z

• Y

• X

• referance

The centroid is used in case of

• plane figures

• objects with mass

• objects of zero gravity

• bodies having zero weight

The C.G of ______is at a distance of 4r/3π from its base

• unifrom rod

• rectangle

• semi circle

• triangle

The C.G of ______is at a distance (d/2) from every point

• cube

• rectangle

• sphere

• triangle

the unit of torque is

• Nm

• Nm/s

• mN

• N

The CG of_____________with parallel sides 'b' is at a distance

• Hemisphere

• Trapezium

• Semicircle

• Triangle

the  SI unit of momentum is a

• Kg N ms -1

• gram meter

• Kg ms -1

• Nm

the CG of a hemisphere is at a distance of

• 3r/8 from its base measured along the vertical radius

• r/8 from its base measured along the vertical radius

• 8r/3 from its base measured along the vertical radius

• 1/2r from the center