Discussion 2-1

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Southern New Hampshire University *

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101

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Physics

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Apr 3, 2024

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docx

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2

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Choose a real-world situation like the ones listed below. Then select a motion within the situation that doesn't occur in a straight line but is set in motion by the interaction of two objects. A person diving off a diving board A rocket's propulsion (as in the driving force that moves rockets) Birds flying Motion that doesn't occur in a straight line indicates that one or more forces are acting on the object. The forces are responsible for what you're seeing. Try to identify the forces that are causing the motion you selected. Then describe how Newton's third law applies to that motion. Since the forces are equal and opposite, be certain to account for the magnitude and directions of the motion of the two objects before and after the interaction. The real-world scenario that I am going to examine is a car driving on a road. An action within this scenario is the movement of the car going forward. This is set into motion by the spinning of the wheels forcing the road backward and in return the road forces the car forward. Newtons third law is: for every action, there is an equal and opposite reaction. Within this movement this law is seen is the initial force of the tires pushing backwards on the road being countered by the forward motion of the road pushing the car forward (this is the opposite forces part of the law). The forces themselves are equal in size which is what allows the car to move forward. This motion is continuous due to the continued spinning of the wheels until the driver of the car were to hit the brakes to stop the car, which is made possible by friction. Before the motion takes place the car is sitting at a standstill, it is not until the tires begin to spin that the motion is able to take place.
References Newton’s third law of Motion . The Physics Classroom. (n.d.). https://www.physicsclassroom.com/class/newtlaws/Lesson-4/Newton-s-Third-Law 
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