Which one of the following is the correct statement? O a. Ultimate tensile strength is the maximum load the material can withstand O b. stress is the ratio of change in length to original length O c. Strain is the ratio of Force and Area O d. Ultimate tensile strength is the minimum load the material can withstand Which one of the following is the correct statement? O a. Ultimate tensile strength is the maximum load the material can withstand O b. stress is the ratio of change in length to original length O c. Strain is the ratio of Force and Area O d. Ultimate tensile strength is the minimum load the material can withstand