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Q. 16

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 228

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Short Answer

A kg air compressor is dragged up a rough incline from m to m, where the axis is vertical. How much work does gravity do on the compressor during this displacement?

Work done by gravity is J

See the step by step solution

Step by Step Solution

Step 1. Given Information

Mass of the air compressorKg

Initial Position

Final position

Step 2. Find the work done

We have to determine the work done by gravity on the air compressor

It is given that air compressor is being dragged up ab incline, hence the displacement is against gravity in opposite direction to gravity force. Gravity acts downward and taking downward direction as axis we will calculate the work done

The negative sign of work indicates that the work done by gravity is against the force applied to drag air compressor up

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