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PHYSICS : Circular Motion - PowerPoint PPT Presentation


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PHYSICS : Circular Motion. EX: A 900-kg car moving at 10 m/s takes a turn around a circle with a radius of 25.0 m. Determine the acceleration and the net force acting upon the car.

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PHYSICS: Circular Motion

EX: A 900-kg car moving at 10 m/s takes a turn around a circle with a radius of 25.0 m. Determine the acceleration and the net force acting upon the car.

EX: A 95-kg halfback makes a turn on the football field. The halfback sweeps out a path that is a portion of a circle with a radius of 12-meters. The halfback makes a quarter of a turn around the circle in 2.1 seconds. Determine the speed, acceleration and net force acting upon the halfback.

Determine the centripetal force acting upon a 40-kg child who makes 10 revolutions around the Cliffhanger in 29.3 seconds. The radius of the barrel is 2.90 meters.

EX: What is the maximum velocity this car can go around this bend with out losing traction?

100m

100m

100m

100m

Coefficient Of Static Friction: 0.7

Mass: 2100kg

EX2: What is the maximum velocity this car can go around this bend with out losing traction?

120m

120m

120m

120m

Coefficient Of Static Friction: 0.82

Mass: 2150kg