A mechanical machine requires 210 J of work to do 115 J of work in lifting a crate. What is the efficiency of the machine?

asked Dec 17, 2022 210k views

0 votes

8.3k points

Please log in or register to add a comment.

4 votes

Answer:

efficiency is equal to work output over work input times 100 ÷ so the answer for this question is 54.7 percent

Nashir Uddin answered Dec 23, 2022

8.3k points

asked Oct 9, 2020 199k views

Matija Nalis asked Oct 9, 2020

7.6k points

1 answer

0 votes

199k views

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers