A. bodies having relative motion
B. two dry surfaces
C. two lubricated surfaces
D. solids and liquids
E. electrically charged particles
A. increase
B. decrease
C. remain same
D. increase initially and then decrease
E. unpredictable
A. the floor is smooth, the wall is rough
B. the floor is rough, the wall is smooth
C. the floor and wall both are smooth surfaces
D. the floor and wall both are rough sur-faces
E. will be in equilibrium under all condi-tions
A. longitudinal stress
B. hoop stress
C. yeiled stress
D. ultimate stress
E. none of the above
A. one-fourth of the total height above base
B. one-third of the total height above base
C. one-half of the total height above base
D. three-eighth of the total height above the base
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. from maximum at the center to zero at the circumference
B. from zero at the center to maximum at the circumference
C. from maximum at the center to mini-mum at the cricumference
D. from minimum at the centro to maxi-mum at the circumference
E. none of the above