![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The magnitude of car is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0380794bc70ce400664ab3354d2ce1c7.png\")
.
The force is required to hold a boat and its trailer in place on a ramp whose inclination is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8b5542a579d0b63c8c287b61e07a4ec4.png\")
to the horizontal.
Draw the related diagram:
\![\"\"](\"/userfiles/47-602-82.gif\")
Observe the graph:
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ba0cff670541acea7eb866f937d3abd2.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a6e4ff6ec8d25b4561251b14d93f8dc6.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e13e8d29bc9d4dcb6e73a0753f9b01f7.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f5b19788be6b3bcff86433f64f05cfc.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af49c2122cb6354b842cdfa194299845.png\")
.
The car weighs approxiamately ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3acdd53dd36c3d54b7a568507ec1bacf.png\")
.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The car weighs approxiamately ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3acdd53dd36c3d54b7a568507ec1bacf.png\")
.