well, the answer to the problem is:
3080 i - 2070 k
however my answer is:
- 3059 i - 2019 kmaybe my resultant vector is slightly off? And cross product makes i negative =-\
So the r vector will just be 0i + 7j + 0k? I will test it out right now if it works... the answer is in the back of the book.. So I will get back with the results in a sec
Hey guys... This problem is driving me bonkers. I really am not asking you to calculate anything but I only ask how to figure out how to get r to use τ = r x F . My professor did not even teach us anything about resultants and 3-d moments
Homework Statement
Homework Equations
MO= τ = r...
Well I solved for the equations:
0 = Tac*cos(50)+Tbc*cos(30)
500 = Tac*sin(50)+Tbc*sin(30)
and got
Tac ~ 1.98
Tbc ~ -199I did not know that you need to set Tac*cos(50) equal to Tbc*cos(30). Why do they have to be equal? Is it because there is no y component in the 500lb force; therefore...
Hi everyone, first time post at physics forums, I hope to help out some people with calc and I hope to discuss some physics topics too! But however I have a homework question in MECH 234.
Homework Statement
Find Tac + Tbc from the given picture:
Homework Equations
ΣFx = 0
ΣFy = 0
The...