(a) Does this torque tend to rotate the panel clockwise or counterclockwise abou

Question

(a) Does this torque tend to rotate the panel clockwise or counterclockwise about an axis through point O?

clockwise or counterclockwise    

(b) Find the torque.

A heavy concrete panel is being lifted into position in a building by means of a crane (see figure below). The tension of 1.46 (a) Does this torque tend to rotate the panel clockwise or counterclockwise about an axis through point O? clockwise or counterclockwise (b) Find the torque. X 10^4 N in the supporting cable produces a torque with respect to point O. (Let L = 22.3 m.)

Explanation / Answer

a)

From Figure, the crane is rotating clockwise direction.

b)

torque = r x F

= r F cos 53

= (22.3 m ) ( 1.46* 10 ^ 4 ) cos 53

= 195938.9 N m

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