
the output work/energy is 60% of the input work/energy
posted by Scott
Respond to this Question
Similar Questions

Physical Science
A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the other 40%? 
Science
The efficiency of a machine is 80%.calculate,the amount of energy needed by the machine to do work of 150joules. 
science
A machine raises a load of 600N through a height of 1.5m when an effort of 100N moves a total distance of 20m.(a) calculate the work done in raising the load.(b) what is the mechanical advantage of the machine?(c) calculate the 
Physics
Suppose you spend 30.0 minutes on a stairclimbing machine, climbing at a rate of 75 steps per minute, with each step 8.00 inches high. If you weigh 150 lb and the machine reports that 690 kcal have been burned at the end of the 
science
For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules? would i divide 2000/.80? which gives me 2500? 
physical science
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? 
Sciencey Mathy Stuff
A machine with 80% efficiency does 4,000 J of work. Using the machine how much work did you do? NEED HELP! PLZ REPLY SOON 
physics
The efficiency of a machine is in general defined as the ratio between useful (released) energy and the input energy. Therefore, the exact formulas for efficiency depend on the purpose of the machine. What's the difference in the 
Agosec Ghana
a machine was used to lift a load of 30N through a distance of 2metres. the effort applied was 10N through a distance of 8metres. calculate the. A) mechanical advantage B) work input of the machine C) work output of the machine D) 
Health Physics
A machine is used to either do work or to convert energy. To find the efficiency of a machine, one must compare the power input to the machine to the power output of the machine. What does thepower take into account in addition to