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Due to a jaw injury, a patient must wear a strap that produces a net upward force of 5.00 N on his chin. The tension is the same throughout the strap. To what tension must the strap be adjusted to provide the necessary upward force?

Due to a jaw injury a patient must wear a strap that produces a net upward force of 500 N on his chin The tension is the same throughout the strap To what tensi class=

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onyebuchinnaji

The tension the strap must be adjusted to provide the necessary upward force is 4.11 N.

Tension the strap must be adjusted

let the tension the strap must be adjusted to provide the necessary upward force = T

R² = T² + T² - 2T²Cosθ

where;

  • R is the resultant force
  • θ is the angle of inclination of the tension

5² = 2T² - 2T²cos(75)

25 = 1.482T²

T² = 25/1.482

T² = 16.87

T = √16.87

T = 4.11 N

Thus, the tension the strap must be adjusted to provide the necessary upward force is 4.11 N.

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