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In a hydraulic lift, if the input power is 500 W and the efficiency is 80%, what
Practice Questions
Q1
In a hydraulic lift, if the input power is 500 W and the efficiency is 80%, what is the output power?
400 W
500 W
600 W
700 W
Questions & Step-by-Step Solutions
In a hydraulic lift, if the input power is 500 W and the efficiency is 80%, what is the output power?
Steps
Concepts
Step 1: Understand the terms. Input power is the power you put into the lift, which is 500 W.
Step 2: Know the efficiency. Efficiency is how well the lift uses the input power, given as 80%, or 0.8 in decimal form.
Step 3: Use the formula for output power. The formula is: Output Power = Efficiency * Input Power.
Step 4: Plug in the numbers. Replace Efficiency with 0.8 and Input Power with 500 W in the formula.
Step 5: Calculate the output power. Multiply 0.8 by 500 W to get 400 W.
No concepts available.
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