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    •  Bicycle: A bicycle  is a  complex
                                                                      machine because it uses many simple

                                                                      machines  like  wheels,  gears,  and
                                                                      levers to help us ride fast and easily.

                     How Does a Complex Machine Work?

                     Working of a complex machine:

                        • Different  Parts  Work  Together: Each  simple  machine  in  a  complex

                        machine does a small job, and when they work together, they help the
                        whole machine do something bigger.

                        • Making Big Tasks Easier: A complex machine makes it easier to do

                        tough jobs, like moving heavy things or traveling far distances.

                     Real-World Examples of Complex Machines

                     Some of the real-world examples of complex machines are:

                     1. Car

                            • What it  does:  A car  helps  people
                           travel  from  one  place  to  another

                           quickly.

                            • How it works: The car uses wheels,
                           engines, and gears to move. You turn

                           the steering wheel (a type of lever) to go in different directions.

                            • Why it is cool: It can take you on long trips or vacations.

                                                    2. Crane

                                                           •  What it does: A crane helps in lifting heavy
                                                           objects, like big blocks or steel beams.

                                                           •  How  it  works: The  crane  uses  pulleys  and

                                                           levers to lift and move things from one place
                                                           to another.

                                                                              Understanding the Working of Robot  23

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