Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Simple Machines
Mechanical Advantage and Efficiency
A machine has a velocity ratio 5 and is 80% efficient. What effort would be needed to lift a load of 2000N with the aid of this machine?
Top 10 Answers
Show all 11 answers
Plz help me
(2000/5)/0.8 = 500 N
80% which is the same thing as 80รท100 = 0.8
Please can you put steps
I got the answer
I want to join
I want to learn
No thanks
Where is the 0.8 coming from please
Answer
Top 10 answers are shown.
Show all 11 answers.
You can
ask a new question
or
answer this question
.
Related Questions
A machine has a velocity ratio of 6 and an efficiency of 75%. Calculate the effort needed to raise a load of 90N
A machine has a velocity ratio of 6 and is 80% efficiency.What effort would be needed to lift a load of 300 with the help of
A machine has a velocity of 6 and is 80% efficient.what effort will be needed to lift a load of 300N with the aid of this
What effort is exerted to lift a load of 150N with a machine having a velocity ratio of 3 and efficiency of 20%
In a machine ,a load of 160Newton is lifted up by an effort of 25Newton.the velocity ratio is 8,what is the efficiency of the
A load of 30N is raised 2m when an effort of 10N moves 8m calculate the velocity ratio and efficiency of a machine
A block and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distances of 40cm at a steady
A MACHINE HAS A VELOCITY RATIO OF 5 HAS AN EFFICIENCY OF 40.WHAT EFFORT WOULD BE NEEDED TO LIFT A LOAD OF 100N?
A block and tackle having a velocity ratio of 5 is used to raise a load of 400N through a distance of 10m. If the work done
A machine with a velocity ratio of 30 moves a load of 3000N when an effort of 200N is applied.the efficiency of the machine is