Mechanical Advantage and Efficiency Quiz

What is the formula to calculate Ideal Mechanical Advantage (IMA)?

• IMA = effort distance / load distance

• IMA = effort distance - load distance

• IMA = effort distance + load distance

• IMA = effort distance * load distance

What is the formula to calculate Actual Mechanical Advantage (AMA)?

• AMA = Output Force - Input Force

• AMA = Output Force / Input Force

• AMA = Output Force * Input Force

• AMA = Output Force + Input Force

What is the formula to calculate Efficiency?

• Input * Useful output

• Useful output / Input

• Input / Useful output

• Output / Input

What is the formula to calculate Mechanical Advantage (MA)?

• MA = Output Force / Input Force

• MA = Output Force + Input Force

• MA = Output Force - Input Force

• MA = Output Force * Input Force

What is the formula to calculate Efficiency in terms of Mechanical Advantage (MA)?

• Efficiency = Actual MA x Theoretical MA

• Efficiency = Actual MA - Theoretical MA

• Efficiency = Actual MA + Theoretical MA

• Efficiency = Actual MA / Theoretical MA

What is the formula to calculate Efficiency in terms of Work Input and Work Output?

• Efficiency = Work Output - Work Input

• Efficiency = (Work Input / Work Output) * 100%

• Efficiency = Work Output + Work Input

• Efficiency = (Work Output / Work Input) * 100%

What is the ideal mechanical advantage of a machine that requires 100 N of effort force to lift a load of 500 N?

• 5

• 2

• 10

• 20

What is the actual mechanical advantage of a machine that requires 50 N of effort force to lift a load of 200 N?

• 2

• 4

• 8

• 6

If a machine has an ideal mechanical advantage of 4 and an actual mechanical advantage of 3, what is its efficiency?

• 75%

• 100%

• 50%

• 25%

A machine has an efficiency of 80% and an ideal mechanical advantage of 5. What is its actual mechanical advantage?

• 4

• 2

• 3

• 6