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Mathematics 7 Online
OpenStudy (anonymous):

With a force of 32 N, Lisa pulls a wagon with her little brother. The handle of the wagon makes a 26° angle with the ground as shown below. Approximately what force will move the wagon vertically upwards?

OpenStudy (turingtest):

this is a physics problem and would probably do better in that section, but here is an answer anyway: it is always a good idea to draw a picture in these kinds of problems|dw:1331326534349:dw|doing so we see that the force can be broken into components by treating the horizontal and vertical forces as legs of a right triangle, with the magnitude of the main force F being the hypotenuse. Now use a trig function to find the length of the vertical component Fy

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