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:

Hunting and gathering

A mode of subsistence involving the procurement of wild plants and animals for food.

Pastoralism

a form of agriculture where animals are raised for food, fiber, and other products, often involving nomadic or semi-nomadic herding.

Legitimate use of force

Refers to the socially sanctioned, legal, or accepted use of physical power or coercion by individuals or institutions, especially by the state or law enforcement, to maintain order or enforce laws.

Rational-legal authority

A form of leadership where authority is based on legal legitimacy and bureaucratic procedures, as opposed to traditional or charismatic forms of governance.