Strength of Materials

A. mechanical advantage is greater than velocity ratio
B. mechanical advantage is equal to velocity ratio
C. mechanical advantage is less than velocity ratio
D. mechanical advantage is unity
E. none of the above

A. mechanical advantage is greater than velocity ratio
B. mechanical advantage is equal to velocity ratio
C. mechanical advantage is less than velocity ratio
D. mechanical advantage is unity
E. none of the above.

A. friction
B. limiting friction
C. repose
D. kinematic friction
E. static friction

A. same
B. double
C. half
D. four times
E. one fourth

A. right angled triangle
B. equilateral triangle
C. square
D. circle
E. rectangle

A. ellipse
B. hyperbola
C. parabola
D. circle
E. none of the above

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