An Amusement Ride Consists of a Car Moving in a Vertical

question 16

Multiple Choice

An amusement ride consists of a car moving in a vertical circle on the end of a rigid boom. The radius of the circle is 10 m. The combined weight of the car and riders is 5.0 kN. At the top of the circle the car has a speed of 5.0 m/s which is not changing at that instant. What is the force of the boom on the car at the top of the circle?

• A) 3.7 kN down
• B) 1.3 kN down
• C) 6.3 kN up
• D) 3.7 kN up
• E) 5.2 kN down

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