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Delivery - week 20
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What lowest starting position does the steel ball need to have to perform the loop?
How well does theory agree with practice?
It is relatively simple to calculate the lowest possible speed that ball needs to perform the loop. It can then be determined by calculations of kinetic and potential energy from what height on the track the ball must be released to perform the loop.
Then test whether the result agrees in practice.
To determine the height more correctly, account also needs to be taken of the rotational energy of the ball, which is slightly more challenging. In addition, the problem of the ball initially ‘sliding’ when it is released should be solved.
The connections between theory and practice, physics and mathematics, form an instructive network that prompts interesting discussions.
Material: V-shaped aluminium track on base plate of wood.
Dimensions: Base plate: 38x15x3.5 cm. Total height: 55 cm.
Weight: 1.4 kg.
Accessories: Steel ball Ø19 mm is included.
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