Physics: mechanical advantage? (multiple choice)

Question

What is the mechanical advantage of a claw foot hammer having a handle with a length of 45 cm and head length of 10 cm?


a. 1/9
b. 2/9
c. 2/5
d. 5/2
e. 9/2
f. 9/1

Answer 1

ONE WAY TO DEFINE MA IS (EFFORT ARM LENGTH)/(LOAD ARM LENGTH)

 

HERE, THAT'S 45 CM/10 CM = 4.5 OR 9/2