Exercise 10.6 A metal bar is in the xy-plane with one end of the bar at the orig

Question

Exercise 10.6 A metal bar is in the xy-plane with one end of the bar at the origin. A force F (6.56 N )i -2.70 N)j is applied to the bar at the point a 2.54 m, y 3.22 m. Part A What is the position vector T for the point where the force is applied? Enter the x and ycomponents of the radius vector separated by a comma. Tr, Tr mm My Answers Give Up Submit Part B What are the magnitude of the torque with respect to the origin produced by F? Express your answer with the appropriate units. T Value Units Submit My Answers Give U

Explanation / Answer

F = (6.56) i +(-2.7) j

Part A; r = 2.54i +3.22 j

rx,ry = 2.54 , 3.22 m

Part B:

T = rxF

T = (2.54 i +3.22 j) x (6.56 i -2.7 j)

T = (-2.54*2.7k - 3.22*6.56 k)

T = - 27.98 k N.m

Magnitude of torque = 27.98 N.m

Part C: - z direction

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