math
posted by Dennis .
A horizontal clothesline is tied between 2 poles, 12 meters apart. When a mass of 5 kilograms is tied to the middle of the clothesline, it sags a distance of 1 meters. What is the magnitude of the tension on the ends of the clothesline?
A constant force moves an object along a straight line from point (10, 2, 6) to point (10, 5, 10).
Find the work done if the distance is measured in meters and the magnitude of the force is measured in newtons.
A woman exerts a horizontal force of 8 pounds on a box as she pushes it up a ramp that is 6 feet long and inclined at an angle of 30 degrees above the horizontal. Find the work done on the box.
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