A 10-kilogram mass is suspended from the end of a beam that is 1.2 meters long. The beam is attached to a wall. Find the magnitude and direction (clockwise or counterclockwise) of the resulting torque at point B.

Respuesta :

Answer:

The magnitude of the resulting torque [tex]=118 N.m[/tex]

Explanation:

The resulting torque = Force [tex]\times[/tex] perpendicular distance.

So the force [tex]=mass\times gravity =10\times 9.8 =98\ N[/tex]

Perpendicular distance [tex]= 1.2\ m[/tex]

Torque = [tex]F \times d = 98\times 1.2 = 117 .6 N\ m \approx 118 N\ m[/tex]

The direction will be clockwise as the force acting is downward and will pull the rod in clockwise direction.

So the torque is [tex]118\ N\ m[/tex] in cw(clockwise) direction.

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