A. the center of heavy portion
B. the bottom surface
C. the mid point of its axis
D. all of the above
E. none of the above
A. the point of C.G.
B. the point of metacentre
C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D. point of suspension
E. the point in a body about which it can rotate horizontally and oscillate under the influence of gravity
A. kg m2
B. m4
C. kg/m2
D. m3
E. kg/m4
A. concurrence of the medians
B. intersection of its altitudes
C. intersection of bisector of angles
D. intersection of diagonals
E. all of the above
A. compression or tension
B. buckling or shear
C. shear or tension
D. all of the above
E. bending
A. 2.5 cm
B. 3.0 cm
C. 4.0 cm
D. 5.0 cm
E. 2.0 cm
A. reaction of any smooth surface with which the body is in contact
B. reaction of a rough surface of a body which rolls on it without slipg
C. reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
D. all of the above
E. none of the above
A. 20 kg, – ve sense
B. 20 kg, + ve sense
C. 10 kg, + ve sense
D. 10 kg, – ve sense
E. 45 kg, + ve sense
A. area of contact
B. shape of surfaces
C. strength of surfaces
D. nature of surface
E. all of the above
A. coefficient of friction
B. angle of friction
C. angle of repose
D. sliding friction
E. friction resistance