Westonci.ca is the ultimate Q&A platform, offering detailed and reliable answers from a knowledgeable community. Experience the ease of finding accurate answers to your questions from a knowledgeable community of professionals. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

A machine has a velocity ratio of 6 and is 80%efficient. What effort would be needed to lift a load of 300N with the aid of this machine?​

Sagot :

Efficiency =Velocity Ratio/Mechanical Advantage *100%

80%=6/MA*100%
Therefore MA=7.5

MA=Load/Effort
7.5=300/E
E=300/7.5
E=40