Acceleration.

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Presentation transcript:

Acceleration

Quick Quiz How is a stationary object shown on a distance/time graph? horizontal line How can you tell which part of a journey shown on a distance/time graph has the highest speed? steepest line

Quick Quiz 3 How can you calculate velocity from a distance/time graph? gradient of line What does acceleration mean? change in velocity in time What are the units for acceleration? metres per second squared

Quick Quiz In the acceleration formula, what does u stand for? initial velocity In the acceleration formula, what does v stand for? final velocity What is the formula for calculating acceleration? change in velocity/time, or (v – u) ÷ t

Quick Quiz What is the acceleration due to gravity? 10 m/s2 to 1 sig. fig or 9.8 m/s2 to 2 sig. fig What is the maximum horizontal acceleration students are likely to experience in everyday life? about 1.5 m/s2 (average family car)