Science 10 Mr. Jean April 10th, 2012. The plan: Video clip of the day. Review of digital Lab.

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Presentation transcript:

Science 10 Mr. Jean April 10th, 2012

The plan: Video clip of the day. Review of digital Lab

Digital Lab: Tell me 3 ways in which you can increase the skaters speed. (Experiment with the program) 1) 2) Increase the gravity 3) Apply a force to the skater

Digital Lab: Tell me three ways in which you can decrease the skaters speed. (Experiment with the program) 1) Smaller Ramp 2) Increase friction 3) decrease gravity

D) How does “Track Friction” change the skater’s path? –Allows you to speed up (by applied force) –Allows you to slow down. E) How does “Gravity” change the skater’s path? –Allows the skater to move down the ramp.

F) What happens when the skater’s path is greater than 90 degrees from the horizontal axis? G) What happens when you increase the mass of the skater?

Acceleration: A change in velocity with respect to a change in time.

The Meaning of Constant Acceleration An acceleration in which the object will change its velocity by the same amount each second. Example: A constant acceleration on 1m/s 2 would mean each and every second you are moving 1m/s quicker in the positive direction.