Question

Which of these is essential in all levers? a.fulcrum b. rod c. effort d. all of these​

Answer 1

Answer:

a ) A fulcrum !

hope it helps ^_^

Answer 2

Answer:

all of these

Explanation:

Which of these is essential in all levers? a.fulcrum b. rod c. effort d. all of these

D. is correct answer.