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

Answer 1

what do you think?

Answer 2

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

Answer 3

Ummmm I don't know okay!!

Answer 4

can't you just tell me?? PLEASE!

Answer 5

i think it is C

Answer 6

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

Answer 7

a. 9%

b. 10%

c. 90%

d. 20%

Answer 8

90%

Answer 9

okay can you give me a medal now :)