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Transcript
Name: Introduction To The Laws of Motion Conceptual Physics Answer the following questions as you watch the video “Newton's Laws of Motion and Force” by Tiros Educational ( www.youtube.com/watch?v=NYVMlmL0BPQ). 1. What causes the motion of an object to change? 2. How will an object behave if there are not forces acting on it? If it is stationary? If it is moving? 3. Who came up with the idea of explaining motion in a few simple ideas? (who’s picture is mistakenly placed in the video?) 4. Mathematically, what does the second law of motion state? 5. What is the relationship between the net force and the acceleration of an object? 6. What is the relationship between the mass and the acceleration of an object? 7. What is the acceleration of both the hammer and the feather? Why is the acceleration the same for both objects? 8. Are mass and weight the same? Which is a force? 9. How is weight calculated? What is the unit used to measure weight? 10. How are forces represented in diagrams (in a free body diagram?) 11. What is meant by the phrase “forces come in pairs”? 12. Why don’t you fall to the ground when you sit on a chair? Summation: Provide an example of each of Newton’s Three Laws of Motion: An object at rest remains at rest or an object in motion remains in it’s state of motion unless acted on by an unbalanced force. A unbalanced force causes an object to accelerate. For every force there is an equal and opposite force.