A In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force F of magnitude 212 N, and Charles pulls with force Fc of magnitude 187 N. Note that the direction of Fc is not given. What is the magnitude of Betty's force FB if Charles pulls in (a) the с direction drawn in the picture or (b) the other possible direction for equilibrium? 153° Alex Charles Betty

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A
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture.
The tire remains stationary in spite of the three pulls. Alex pulls with force F of magnitude 212 N, and Charles pulls with force Fc of
magnitude 187 N. Note that the direction of Fc is not given. What is the magnitude of Betty's force FB if Charles pulls in (a) the
direction drawn in the picture or (b) the other possible direction for equilibrium?
153°
Alex
Charles
Betty
(a) Number
i -349.2
(b) Number 28.55
Units
Units
N
N
Transcribed Image Text:A In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force F of magnitude 212 N, and Charles pulls with force Fc of magnitude 187 N. Note that the direction of Fc is not given. What is the magnitude of Betty's force FB if Charles pulls in (a) the direction drawn in the picture or (b) the other possible direction for equilibrium? 153° Alex Charles Betty (a) Number i -349.2 (b) Number 28.55 Units Units N N
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