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Name: _________________________________ Guided Reading Chapter 11: Exploring Forces - Lesson 1 How are forces and motion related? Pg. 588;590-597 Page Marker: 588 A. Can you name some things that affect a biker’s speed? ___________________________________________________ Page Marker: 590 A. What is motion? The length between two places is called ______________. List three units we could use to measure distance. _______________________________________ ___________________________________ is something’s location compared _______________________________. As an object’s position changes the object must be in _______________________ . Page Marker: 591 Study the table on page on 591. List two things you can learn from the table. 1. _______________________________________________________________________________________________ 2. ______________________________________________________________________________________________ Page Marker: 592 A. When we compare how quickly time and distance change, we can call that ________ . There is a formula we can use to calculate speed: Speed = ________________ divided by _____________ For example, the drinking fountain is about twenty meters from the classroom. It takes you about 5 seconds to walk there from the classroom. So your speed: Speed = distance / time Speed = 20m / 5 s Speed = 4 m/s (This would be said as four meters per second.) Of course you don’t walk the same speed the entire time. We actually calculated your _______________ __________________ . Ch11 Lesson 1 Page 1 We will complete another example together in the space below. Formula Page Marker: 593 A. Velocity is __________________________________________________________ B. Acceleration is ______________________________________________ over time. Can you change your acceleration if your velocity is constant? Why or why not? __________________________________________________________________________________________________ Page Marker: 594 A. A force is ____________________________________________________ . A continuous force is ____________________________________________________________ . Thrust is____________ ___________________________________________________________________ . Lift is _____________________________________________________________________________ . Page Marker: 595 A. A momentary force is ____________________________________________________________________ . An example of a momentary force is ____________________________________________________. Momentary forces can change the ____________________________________. Ch11 Lesson 1 Page 2 Page Marker: 596 A. The unit used to measure force is a _____________________________________ . Friction is ___________________________________________________________________________________. Static friction is ________________________________________________________________________________ . Sliding friction is _______________________________________________________________________________ . Can you give an example of when you have seen or experience each kind of force? ____________________________________________________________________________________. Ch11 Lesson 1 Page 3