Posted by Raquel on Thursday, September 13, 2007 at 11:10pm.
A wrench .9m long lies along the positive yaxis, and grips a bolt at the origin. A force is applied in the direction of (0,1,3) at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 J of torque to the bolt.
This is the formula i have:
T=r x F Can anybody point me in the right direction?

Calc 3  nick, Friday, September 14, 2007 at 9:04am
T=100J
r=.9j
F=F (0i+1j+3k)/sq root 1^2+3^2)
Replace the values on the formula and solve for F.

Calc 3  dara, Wednesday, November 2, 2016 at 3:25pm
A wrench 0.4 meters long lies along the positive yaxis, and grips a bolt at the origin. A force is applied in the direction of ⟨0,1,5⟩ at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 newtonmeters of torque to the bolt.
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