Giancoli's Physics: Principles with Applications, 6th Edition
4
Dynamics: Newton's Laws of Motion
Change chapter4-4 to 4-6: Newton's Laws, Gravitational Force, Normal Force
4-7: Newton's Laws and Vectors
4-8: Newton's Laws with Friction; Inclines
Problem 52
A
a)
b)
b)
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COMMENTS
By Mr. Dychko on Sat, 10/6/2012 - 4:33 AM
Hi dorfte, thanks for the question, but I unfortunately don't quite understand what you're asking... but here's my best guess... In physics angles are typically given as positive numbers less than 90, and then you need to be told which axis this angle is measured with respect to. An incline positioned at 50 degrees with respect to the negative x-axis, for example, would look like the drawing in this video, which is upwards to the left. 50 degrees with respect to the positive x-axis would be upwards to the right.
By dorfte on Mon, 10/1/2012 - 9:21 PM
If you had an incline to the negative x axis what would the angle be?
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