A Roller Coaster,loaded with Passengers,has a Mass of 2 000

question 33

Multiple Choice

A roller coaster,loaded with passengers,has a mass of 2 000 kg;the radius of curvature of the track at the bottom point of the dip is 24 m.If the vehicle has a speed of 18 m/s at this point,what force is exerted on the vehicle by the track? (g = 9.8 m/s²)

• A) 2.3 × 10⁴ N
• B) 4.7 × 10⁴ N
• C) 3.0 × 10⁴ N
• D) 1.0 × 10⁴ N

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Definitions:

Directive Leadership

Spells out the what and how of subordinates’ tasks.

Task-oriented

Focused primarily on completing tasks and achieving objectives efficiently, often with emphasis on proper procedures and outcomes.

Production-centered

An approach or strategy focused primarily on the efficiency and output of the production process, often at the expense of other considerations.

Contingency Theories

A group of leadership theories suggesting that the best leadership strategy is contingent upon various internal and external situations.