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So I have my final maths exam tomorrow and thought I'd do a few new past papers to brush up.
Here is my problem:
Q 5) part ii.............
I worked out the tension in the string which was correct at 2.24N, but when I resolved vertically to find out the normal reaction force on C, I came out with 5.96N. In the solutions they resolved perpendicular to the plane and ended up with 5.26N.
My workings were: T+NCos(20)=0.8g
Any ideas on where I went wrong?
Thanks!!
Here is my problem:
Q 5) part ii.............
I worked out the tension in the string which was correct at 2.24N, but when I resolved vertically to find out the normal reaction force on C, I came out with 5.96N. In the solutions they resolved perpendicular to the plane and ended up with 5.26N.
My workings were: T+NCos(20)=0.8g
Any ideas on where I went wrong?
Thanks!!
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