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Home > PC > Chapter 10 > Lesson 10.1.4 > Problem 10-55


Rectangular prism, from top back vertex, ray pointing up & right, & horizontal dashed segment, create angle labeled 30 degrees.To slide a crate across a floor, a rope is attached and pulled with a constant force of pounds at an angle of . How much work is done if the box is dragged feet?  

Which component of the given vector is actually moving the box forward?

Determine the magnitude of the horizontal component of the given vector.

Since this is a triangle, and