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Transcript
Name __________________________________________ Period _________________ Date _________________________ Newton’s Laws Review 1. What is Newton’s first law of motion? _______________________________________________________ _______________________________________________________________________________________ 2. Newton’s first law of motion describes the motion of an object that has a net force of ________ acting on it. 3. What are two examples of objects at rest? _____________________________________________________ _______________________________________________________________________________________ 4. What would happen to your body if you were in a bumper car and you hit another bumper car and came to a stop? Why does happen? __________________________________________________________________ _______________________________________________________________________________________ 5. What is Newton’s first law sometimes called? _________________________________________________ _______________________________________________________________________________________ 6. What is inertia? _________________________________________________________________________ _______________________________________________________________________________________ 7. Why is it easier to change the motion of an object with a small mass as opposed to an object with a large mass?__________________________________________________________________________________ _______________________________________________________________________________________ 8. What is Newton’s second law of motion? _____________________________________________________ _______________________________________________________________________________________ 9. What happens to the acceleration of an object as its mass decreases? _______________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ 10. How is the relationship of acceleration (a) to mass (m) and force (F) expressed mathematically? _______________________________________________________________________________________ 11. What is Newton’s third law of motion?_______________________________________________________ _______________________________________________________________________________________ 12. Explain why Newton’s third law can be stated as “all forces act in pairs.” ___________________________ _______________________________________________________________________________________ ______________________________________________________________________________________ 13. Give and explain an example of Newton’s third law. ____________________________________________ _______________________________________________________________________________________ 14. When a ball falls to Earth, why is it hard to see the effect of the reaction force exerted by the ball on Earth? _______________________________________________________________________________________ _______________________________________________________________________________________
