Importance of Low Ground Clearance in Formula One Cars
Discover why Formula One cars need to maintain a low ground clearance for optimal performance through concepts related to the centre of mass, balanced forces, and equilibrium. Explore the significance of the centre of mass in symmetrical and irregular objects, as well as the impact it has on suspended equilibrium. Uncover experimental techniques to determine the centre of mass and how it influences the stability and dynamics of racing cars.
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Presentation Transcript
CwK Wednesday, 23 April 2025 Centre of Mass Do Now Activity Why do you think formula one cars need to be as low to the ground as possible?
Progress Indicators Good Progress Define centre of mass as the point at which mass is thought to be concentrated. Describe an experimental technique to determine the centre of mass of a symmetrical and irregular object. Outstanding Progress Explain why a suspended object comes to rest with the centre of mass directly below the point of suspension in terms of balanced forces.
Centre of Mass The weight of an object may be considered to act at a single point referred to as the object s centre of mass . Depending on the object's shape, its centre of mass can be inside or outside it.
Suspended Equilibrium If suspended, a body will come to rest with its centre of mass directly below the point of suspension. The object is then in equilibrium.
If the object is turned from this position and then released, it will swing back to its equilibrium position. This is because the weight has a turning effect.
Symmetrical objects The centre of mass of a symmetrical body is along the axis of symmetry If a body has more than one line of symmetry it is where the axes of symmetry meet
Irregular Objects Rest the card/paper, freely suspended Add a plumb line Draw a vertical line on the card from the rod downwards Repeat by suspending the card from another point The centre of mass is where the two lines meet.
It is possible for a person to change the position of their centre of mass? https://www.youtube.com/watch?v=RaGUW1d0w8g
Plenary 1. Describe how you would find the centre of mass of an irregular object 2. Where is the centre of mass of your exit ticket? 3. Why does a suspended object come to rest with the centre of mass directly below the point of suspension
