Solve the Problem. -The Grade Resistance F of a Car Traveling Up or Traveling

question 52

Multiple Choice

Solve the problem.
-The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ϴ where W is the weight of the car and ϴ is the angle of the hill's grade (ϴ > 0 for uphill travel, ϴ < 0
For downhill travel) . What is the grade resistance (to the nearest pound) of a 3000-lb car traveling
Uphill on a 3° grade (ϴ = 3°) ?

• A)157 lb
• B)-3003 lb
• C)-157 lb
• D)3003 lb

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