Please help!

Calculate the work efficiency of the following device: (Remember work is based on N•m or Joules)

Input force = 50 N
Input distance = 1.8 m
Output force = 450 N
Output distance = 18 cm

Question

Please help!

Calculate the work efficiency of the following device: (Remember work is based on N•m or Joules)

Input force = 50 N
Input distance = 1.8 m
Output force = 450 N
Output distance = 18 cm

ashsmashum1290 · Answer

what do you think?

ashsmashum1290 · Answer

@42cookiethere you there what answer do you think it is???

anonymous · Answer

Ummmm I don't know okay!!

anonymous · Answer

can't you just tell me?? PLEASE!

ashsmashum1290 · Answer

i think it is C

anonymous · Answer

there is no c, here I will give you the options for this question

anonymous · Answer

a. 9% 

b. 10% 

c. 90% 

d. 20%

ashsmashum1290 · Answer

90%

ashsmashum1290 · Answer

okay can you give me a medal now :)