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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago

 
A force in the +y direction applied at the point x = 2.3m, y = 1.4 m  gives rise to a torque of 57 N·m about the origin. Find the magnitude of the force. 
A)
 
25 N 
B)
 
41 N 
C)
 
57 N 
D)
 
70 N 
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padrepadre
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#2
2 years ago
A force in the +y direction applied at the coordinates point x = 2.3 m, y = 1.4 m and it gives rise to a torque of 71 N · m about the origin. Find the magnitude of the force.
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#3
2 years ago
Quote from: Fleury (2 years ago)
A force in the +y direction applied at the coordinates point x = 2.3 m, y = 1.4 m and it gives rise to a torque of 71 N · m about the origin. Find the magnitude of the force.

The lever arm (perpendicular distance from the force's line of action to the origin) is simply the x coordinate, 2.3m.
F*2.3 = 71

= 71/2.3 = 30.87 N

The y coordinate is not use.
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