Cornell Notes Acceleration from Gravity

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Presentation transcript:

Cornell Notes 2-1-3-1 Acceleration from Gravity Page 47 – October 30, 2017

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Focus question What is gravity? Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 2

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Analyze results What patterns do you notice in the time (t) column? What patterns do you notice in the position (x) column? What patterns do you notice in the speed (v) column? Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 13

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Draw conclusions Was the ball moving at a constant speed or was it accelerating? How can you tell? What caused the ball to accelerate? Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 15

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Draw conclusions What was the major source of error in our experiment? (What made the data so hard to collect?) Why didn’t we use the frame when the ball was at 50 cm? Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 15

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Reflect on gravity Gravity is an attractive force that acts between any two objects. What are the two objects attracting and pulling to make the ball fall? Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 16

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Reflect on gravity The force of gravity caused the ball to accelerate. The force of gravity is constant. It has been closely studied and can be measured and calculated. Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 16

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Change units to meters Acceleration of gravity on Earth is represented by the symbol g. Scientists typically use g in units of meter per second squared (m/s2), but you measured in centimeters. 100 cm = 1 m so divide cm/s2 by 100 to get m/s2 Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 17

Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Compute acceleration g = 9.8 m/s2 Gravity and Kinetic Energy Course, 1.3: Acceleration of Gravity Step 18