A car travels around an unbanked highway curve (radius 0.15 km) at a constant speed of 25 m/s. What is the magnitude of the resultant force acting on the driver, who weighs 0.80 kN?
A. 0.87 kN
B. 0.34 kN
C. 0.80 kN
D. 0.00 kN
E. 0.67 kN
Answer: B
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