Use your value of acceleration and recall equations to calculate the momentum of the glider at this time.
I) Determine the value of the acceleration. ī) A force of 2.0 N is used to pull the glider from rest. A frictionless pulley is attached to the end of the air track as shown, allowing a force to be applied to the glider.įrom the results taken, a graph is plotted showing the relationship between the force and the acceleration of the glider.Ī) Recall an equation to calculate the mass of the glider. Light gates are set up to measure its acceleration. Equal spaces in equal time intervals show that velocity is. The line of dots on the tape is called a ticker tape diagram. This leaves a line of dots on the tape, recording the object's motion. So, \(a = (30 - 20) \div 0.1 = 10 \div 0.1 = 100~cm/s^2\) Sample question 2 - Higher QuestionĪ student sets up a glider on a frictionless air track. That tape is threaded through a device that puts a 'tick,' or impression, on the tape at regular time intervals (for example, every 0.1 or 0.2 seconds). Velocity = displacement ÷ time = 2 ÷ 0.1 = 20 cm/s Iii) Time for each strip = 5 × 1/50 th s = 0.1 s Ii) Holes evenly spaced/same distance between holes/same length strips Recall a suitable equation to calculate the acceleration of the trolley in cm/s 2. ī) The mean velocity of the trolley in strip B was 30 cm/s. Iii) Calculate the time that it took for each strip to form and hence show that the mean velocity of the trolley in the strip marked A was 20 cm/s. Ii) How would the appearance of ticker tape be different if the trolley moved at constant velocity? The four cut lengths of ticker tape are shown aboveĪ) i) What is meant by acceleration? What length of time corresponds to the distance. It was cut through the middle of the first and then the sixth hole. moving trolley paper tape timer ticker Tape Every second, the ticker-timer puts 60 dots on the piece of tape. The 14 cm length of the ticker tape was cut into four strips. The ticker tape produced 50 dots per second. The movement of a trolley down a slope was investigated using ticker tape with a frequency of 50 Hz. One way of analysing motion in a physics lab is to use ticker tape.Ī long tape is attached to a moving trolley and threaded through a device that places a tick upon the tape at regular intervals of time. You could be asked questions about the apparatus, methods, safety precautions, results, analysis and evaluation of these experiments. You will complete 12 Specified Practical Activities if you are studying GCSE Physics.
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