Gizmo_ Roller Coaster.pdf - Gizmo Roller Coaster Physics...

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Gizmo: Roller Coaster Physics Activity A: Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: friction- the resistance that one surface or object encounters when moving over another . gravitational potential - the scalar quantity characteristic of a point in a gravitational field whose gradient equals the intensity of the field and equal to the work required to move a body of unit mass from given point to a point infinitely remote. energy - the strength and vitality required for sustained physical or mental activity. kinetic energy - energy which a body possesses by virtue of being in motion.Compare with potential energy .
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Sally gets onto the roller coaster car, a bit nervous already. Her heart beats faster as the car slowly goes up the first long, steep hill. 1. What happens at the beginning of every roller coaster ride?
2. Does the roller coaster ever get higher than the first hill? Explain.
Gizmo Warm-up The Roller Coaster Physics Gizmo models a roller coaster with a toy car on a track that leads to an egg. You can change the track or the car. For the first experiment, use the default settings ( Hill 1 = 70 cm, Hill 2 = 0 cm, Hill 3 = 0 cm, 35-g car).
1. Press Play ( ) to roll the 35-gram toy car down the track. Does the car break the egg?
2. Click Reset ( ). Set Hill 1 to 80 cm, and click Play . Does the car break the egg?
3. Click Reset . Lower Hill 1 back to 70 cm and select the 50-gram toy car. Click Play . Does the 50-gram car break the egg?
4. What factors seem to determine whether the car will break the egg?

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