Category: Engineering Mechanics

A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else

A. r/2
B. 2r/3
C. r/A
D. 3r/2
E. 3r/A

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. nature of surfaces
B. area of contact
C. shape of the surfaces
D. ail of the above.
E. A. and B. above

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. resultant couple
B. moment of the forces
C. resulting couple
D. moment of the couple
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. along the plane
B. horizontally
C. vertically
D. at an angle equal to the angle of friction to the inclined plane
E. unpredictable

A. balance each other
B. constitute a moment
C. constitute a couple
D. constitute a moment of couple
E. constitute a resultant couple