Notes

Write a note in this area. It's really easy to share with others. Click here ...Did you know according to the National Highway Traffic and Safety Administration every year in the United States more than 12,000 lives are saved by seat belts? How does a seat belt keep you safe in a car? BuckleBefore you begin Activity 1, read the Introduction Story. Talk about the story with your class. up and read on to find out!Read the following article on seat belt safety. As you read, think about how you can apply what you are learning to the design prEnergy is the ability to do work. This work is done by applying force to an object. Force is a push or a pull that can make the object move, stop moving, or change directions. When a car suddenly stops, the people in the car are still moving and will continue to move until a force pushes or pulls on them, causing them to stop. Seat belts and air bags safely stop the person from moving forwWhat fact in the article surprised you the most?ard.oblem at the end of the module.In 1930 several U.S. doctors began putting seat belts into their cars and encouraged car manufacturers to include seat belts in their designs. At this time the seat belts were lap belts. Three-pointDiscuss the article with another student. Talk about the topics below: safety What is your favorite amusement park ride? Talk to your family about the ride’s seats, belts, and safety bars. How does each feature help do you like ikeep you safe? belts, like the ones in the front seat of cars today, were invented by a Swedish design engineer named NilsBohlinMrBohlin had worked on safety harnesses in airplanes and was hired by Volvo to create a safer seat belt. In 1959 Volvo introduced the three-point seat belt. In the interest of safety, Volvo made the new seat belt design available to other car companies for free. By 1964 about half of U.S. states required seat belts in the front seat.Today, all 50 states require seat belts for all passengers and have laws for child safety seats for babies and young children. Seat belts keep passengers safe in a collision by absorbing energy and keeping the person attached firmly to the seat. Air bags also protect passengers by absorbing the energy of the moving person.