Moving a skateboard without external support

In summary, the parameters that affect the motion of a skateboard propelled by the body without external support include the surface of the skateboard, the weight of the skateboarder, the skateboarder's centre of mass, and the skateboarder's technique. A smoother surface, heavier skateboarder, higher centre of mass, and more efficient technique can all lead to a greater acceleration of the skateboard. Further investigation is needed to determine the specific effects of each parameter on the skateboard's motion.
  • #1
iceboy92
1
0

Homework Statement


A skateboarder on a horizontal surface can accelerate from rest just by moving the body, without touching external support. Investigate the parameters that affect the motion of a skateboard propelled by this method.


Homework Equations


Don't know what variables I can test...


The Attempt at a Solution


I've looked at some experiments regarding rolling friction, motion and centre of mass. but can't draw any conclusions from them.
 
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  • #2
I think the parameters that affect the motion of a skateboard propelled by this method are: 1) The surface of the skateboard - This affects the amount of energy transferred from the skateboarder to the skateboard. A smoother surface will be able to transfer more energy to the skateboard, allowing it to accelerate more quickly. 2) The weight of the skateboarder - This affects the force applied to the skateboard and therefore the acceleration of the skateboard. A heavier skateboarder will be able to apply more force, leading to a greater acceleration. 3) The skateboarder's centre of mass - The higher the skateboarder's centre of mass, the greater the torque applied to the skateboard, leading to a greater acceleration. 4) The skateboarder's technique - This affects the energy transferred from the skateboarder to the skateboard. A more efficient technique (such as pushing and pulling with the arms and legs in a coordinated manner) will be able to transfer more energy, resulting in a greater acceleration.
 
  • #3


As a scientist, it is important to consider all possible variables and parameters that may affect the motion of the skateboard in this scenario. Some possible factors to investigate could include the mass and weight of the skateboard and the skateboarder, the surface of the ground, the angle and force at which the skateboarder moves their body, and the distribution of weight on the skateboard. Additionally, factors such as air resistance and the composition of the skateboard itself (e.g. material, shape, size) could also play a role in the acceleration of the skateboard. By conducting experiments and analyzing the data, it may be possible to determine which factors have the greatest impact on the motion of the skateboard and how they interplay with each other. This information could then be used to optimize the movement and efficiency of a skateboard propelled by body motion alone.
 

Related to Moving a skateboard without external support

1. How can a skateboard be moved without external support?

There are a few ways to move a skateboard without external support. One way is to use your foot to push off the ground and gain momentum. Another option is to find a slight incline and use gravity to propel yourself forward. You can also use your hands to push and steer the skateboard while keeping one foot on the board.

2. Can a skateboard be moved solely by using the hands?

Yes, a skateboard can be moved solely by using the hands. This is often referred to as "skitching" and involves grabbing onto a moving vehicle or using your hands to push and steer the skateboard while keeping both feet off the board. However, this can be dangerous and is not recommended.

3. Is pushing off the ground with your foot the most efficient way to move a skateboard?

No, pushing off the ground with your foot is not the most efficient way to move a skateboard. It requires a lot of energy and can be tiring. Using gravity or finding a slight incline can be more efficient ways to move the skateboard without external support.

4. Are there any other methods for moving a skateboard without external support?

Yes, aside from the ones mentioned, there are a few other methods for moving a skateboard without external support. Some skateboarders use their front foot to push off the ground, while keeping their back foot on the board. Others use alternative means such as using a long stick to propel themselves forward.

5. Is it possible to move a skateboard without any physical effort?

No, it is not possible to move a skateboard without any physical effort. Even when using gravity or a slight incline, some amount of physical effort is required to steer and maintain balance on the skateboard. However, using these methods can greatly reduce the amount of physical effort needed compared to pushing off the ground with your foot.

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