A. breaking stress
B. maximum load/original cross-sectional area
C. load at breaking point/A
D. load at breaking point/neck area
E. maximum stress
A. elastic point of the material
B. plastic point of the material
C. breaking point of the material
D. yielding point of the material
E. ultimate point of the material
A. kg m2
B. m4
C. kg/m2
D. kg/m
E. m2/kg
A. one point
B. two points
C. plane
D. perpendicular planes
E. different planes
A. limiting friction
B. sliding friction
C. rolling friction
D. kinematic friction
E. dynamic friction
A. meet in a point
B. be all parallel
C. at least two of them must meet
D. all the above are correct
E. none of the above
A. uniform throughout
B. increase uniformly
C. first increase and then decrease
D. increase uniformly first and then increase rapidly
E. increase rapidly first and then uniformly