Why is it difficult to ride a bike on sand?
August 28, 2020 | Education|
Because when deformation occurs (sand falls through), rolling frictional forces arise, which impede the movement of the wheel.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.