Learn about new technologies!

What is the correct answer?


A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is

A. 15

B. 18

C. 20

D. 26

Please do not use chat terms. Example: avoid using "grt" instead of "great".