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6.3   Exploring deformations







                 To withstand                   Nowadays, springs are used
                 different road                 in many mechanisms and
                 surface conditions,            throughout manufacturing.

                 cars have special              Springs are used in furniture,
                   textbooks nis edu kz
                                                children’s toys and clocks, for
                 springs connected
                                                instance. Why do you think springs
                 to the wheels. These
                                                are used in these objects? What
                 form part of the
                                                examples can you provide to
                 system known as the            illustrate the use of springs in
                 car’s suspension.              household mechanisms?
                 How do you think
                 suspension works               Deforming the body

                 in a car? How would            Throughout history people have
                 a car’s movement               used deformation to change their bodies, for reasons related to religion,
                                                culture and fashion. As well as the ‘lotus feet’ shown in the image, there
                 differ if suspension
                                                are corks used as part of nose decoration among the Apatani people
                 was installed using
                                                (India), scarification in Surma tribes (Ethiopia), and stretched earlobes in
                 either small or large
                                                Maasai tribes (Kenya and Tanzania). In fact, there is a trend for stretched
                 spring coefficients?           earlobes today that goes far beyond tribal culture and can be seen in

                                                young people all across the world.

                                                 THINK ABOUT IT!   Are these deformations harmful?














                                                 Photo of a young person wearing   In China, many years ago, small
                                                 an ear-stretcher.                “lotus feet” were very popular
                                                                                  among noble women. To restrict
                                                                                  their growth, girls’ feet were
                                                                                  tightly bound with bandages from
                                                                                  the age of 4, leading to severe
                                                                                  deformation. The practice was
                                                                                  eventually made illegal.




















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