A 3.0-kg block is dragged over a rough horizontal surface by a constant force of 16 N acting at an angle of 37° above the horizontal as shown. The speed of the block increases from 4.0 m/s to 6.0 m/s in a displacement of 5.0 m. What work was done by the friction force during this displacement? 
Definitions:
Decimal Places
The number of digits to the right of the decimal point in a number, indicating the precision of the measurement.
Dimensioning
The process of specifying part sizes, shapes, and locations on engineering drawings to ensure parts fit and function correctly.
Extension Lines
Thin lines in technical drawing that extend from a dimension line to the feature being measured or noted.
Dimension Lines
Lines on a technical drawing that represent the measurement of an object’s length, width, or height.
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