Engineering Mechanics

A. remain horizontal
B. slant up towards direction of pull
C. slant down towards direction of pull
D. unpredictable
E. none of the above

A. kinetic friction
B. limiting friction
C. angle of repose
D. coefficient of friction
E. friction force

A. tangent of angle between normal-reaction and the resultant of normal reaction and limiting friction
B. ratio of limiting friction and normal reaction
C. the friction force acting when the body is just about to move
D. the friction force acting when the body is in motion
E. minimum force of friction

A. same
B. more
C. less
D. may be less of more depending on nature of surfaces and velocity
E. has no correlation

A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points

A. kilogram
B. newton
C. watt
D. dyne
E. joule

A. introduce internal stresses
B. balance the other forces acting on it
C. retard its motion
D. change its motion
E. all of the above

A. magnitude
B. direction
C. position or line of action
D. all of the above
E. none of the above

A. magnitude
B. direction
C. point of application
D. all of the above
E. none of the above

A. not a replace them by a single force
B. to replace them by a single force
C. to replace them by a single force through C.G.
D. to replace them by a couple
E. to replace them by a couple and a force