Experiments for finding ‘g’

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Presentation transcript:

Experiments for finding ‘g’ Topic 9.2 Space

Syllabus Dot Point perform an investigation and gather information to determine a value for acceleration due to gravity using pendulum motion or computer-assisted technology and identify reason for possible variations from the value 9.8 ms-2

Option 1: Using a simulation Phet Projectile Motion sim Phet Pendulum Lab sim Phet Mass & Springs Lab sim

Phet Projectile Motion sim http://phet. colorado v = uy - gt g = uy/t

Phet Pendulum Lab sim http://phet. colorado T = 2p.SQRT(l/g) T2 = 4p2l/g g = 4p2.l/T2

Phet Mass & Springs Lab sim http://phet. colorado T = 2p.SQRT(x/g) T2 = 4p2.x/g g = 4p2.x/ T2

Option 2: Video analysis Dropped ball Oscillating mass on spring Cart accelerating down inclined ramp

Option 3. Data Logging Vernier – Determining ‘g’ on an Incline Motion sensor – dropped ball

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