problem04_02

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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4.2: In the new coordinates, the 120-N force acts at an angle of ° 53 from the x - -axis, or ° 233 from the x + -axis, and the 50-N force acts at an angle of ° 323 from the x + - axis. a) The components of the net force are N 32 323 cos ) N 50 ( 233 cos ) N 120 ( - = ° + ° = x R . N 124 323 sin ) N 50 ( 233 sin ) N
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Unformatted text preview: N 120 ( ) N 250 ( = ° + ° + = y R b) , N 128 2 2 = + = y x R R R ( 29 ° =-104 arctan 32 124 . The results have the same magnitude, and the angle has been changed by the amount ) 37 ( ° that the coordinates have been rotated....
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• Polar coordinate system, Right angle, 120-N force acts, 50-N force acts

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