A Curve on the Hume Highway Has a Radius of 0.14

question 2

Multiple Choice

A curve on the Hume highway has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car?

• A)12 kN
• B)17 kN
• C)13 kN
• D)5.0 kN
• E)49 kN

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