Determine the frictional force exerted on a 76 kg rider when a roller coaster car, moving at a speed of 161 km/h (about 101 mi/h), takes a turn with a 571 m radius and banks at an 8.1° angle towards the curve's center.

• A. 1.6 × 10² N
• B. 2.6 × 10² N
• C. 3.1 × 10² N
• D. 6.1 × 10² N

Answer: (A)