A traffic accident with Newton's first law

In summary, the situation involves a police officer arriving at the scene of an accident where a load of straw bales is partially on a pickup truck and partially on a Jaguar sedan. Both drivers claim different versions of how the accident occurred. Based on the information given, it is determined that the Jaguar could have driven into the pickup, the motion of the bales is a result of external forces, and the Jaguar is most likely at fault. The theory of motion of Aristotle's is also mentioned. However, there is not enough information to determine who is at fault.
  • #1
lim
20
0

Homework Statement



Consider this situation: A police officer arrives at the scene of an accident and finds a load of straw bales partly on the back of a pickup truck and partly on the hood of a Jaguar sedan. Both vehicles are facing in the same direction. The pickup is in front of the Jaguar. The truck driver claims that she was stopped at the stop sign when the Jag drove into the back of her truck. The Jaguar driver claims that he was stopped behind the pickup when the truck suddenly backed up. Given this information decide whether each statement is true or false.

-The Jaguar could have driven into the pickup.
-Regardless of fault, the apparent motion of the bales results from them seeking the natural state of rest.
I-f the vehicles were both moving (truck in reverse and car forward), the pickup must have been moving faster.
-These results are impossible. The bales would have fallen forward in this type of accident.
- The Jaguar must have driven into the pickup.
- There is not enough information to determine who is at fault.


2. applicable information:

An object at rest stays at rest, object in motion continues in motion unitl stopped by another net external force.






The Attempt at a Solution



1. true, if they were in the truck they would be pushed to the back and if it got hit, it would have spilled out.

2. true, it was acted on by forces which made it spill out.

3. True, the stop when hitting the Jaguar makes the straw fall out.

4. False, If it fell forward the truck would have to hit something in front on it.

5. true, If it hit it would cause them to spill out.

6. False, there is enough information, circumstance and evidence.


any help appreciated
 
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  • #2
I think the second statement is meant to be an argument based on the theory of motion of Aristotle's. And as for number six, I don't think you determined who was at fault, nor can you.
 
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  • #3
Get two blocks. Books will do. Put something unstable on top the front book. Another book on edge will do. Slide the back one into the front one. Then slide the front one into the back one. Then bump them together. The answers will be obvious if you balance the unstable load so that it is free to fall onto the back book.
 

Related to A traffic accident with Newton's first law

1. What is Newton's first law and how does it relate to a traffic accident?

Newton's first law, also known as the law of inertia, states that an object at rest will remain at rest and an object in motion will remain in motion at a constant velocity, unless acted upon by an external force. In a traffic accident, this means that a car will continue to move at a constant speed unless acted upon by an external force, such as another car or a barrier.

2. Is Newton's first law the only factor in a traffic accident?

No, Newton's first law is not the only factor in a traffic accident. Other factors such as the speed of the vehicles, road conditions, and the actions of the drivers can also play a role in the outcome of a traffic accident.

3. How does the use of seatbelts affect Newton's first law in a traffic accident?

Seatbelts can affect Newton's first law in a traffic accident by providing an external force on the passengers in a car. In the event of a collision, the seatbelt will stop the passenger's body from continuing to move at a constant velocity, preventing them from being thrown out of the vehicle.

4. Can Newton's first law explain why some cars are safer than others in a traffic accident?

Newton's first law alone cannot fully explain why some cars are safer than others in a traffic accident. The design and safety features of a car, such as airbags and crumple zones, also play a significant role in minimizing the impact of external forces on the passengers.

5. How can understanding Newton's first law help prevent traffic accidents?

Understanding Newton's first law can help prevent traffic accidents by reminding drivers to maintain a safe speed and distance from other vehicles, as well as being aware of their surroundings and potential external forces that could affect their vehicle's motion. It also emphasizes the importance of wearing seatbelts to minimize the effects of external forces in the event of a collision.

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