A question about the motion of a flying insect inside a moving vehicle

Click For Summary

Discussion Overview

The discussion revolves around the motion of a flying insect inside a moving vehicle, specifically addressing how the insect's speed is affected by the vehicle's motion and the surrounding air. Participants explore the implications of the insect's flight both inside the vehicle and when it exits into the external environment.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant questions how an insect can fly inside a vehicle moving at 60 mph and whether its speed is relative to the ground or the air within the vehicle.
  • Another participant suggests that the air carried along inside the vehicle allows the insect to fly normally, implying that its speed relative to the ground is affected by the vehicle's motion.
  • There is a discussion about whether the insect would experience a sudden loss of speed if it flew out of the vehicle, with one participant indicating it would encounter a rush of air moving in the opposite direction.
  • A further contribution mentions that an insect could achieve similar speeds outside the vehicle if it were aided by a tailwind of 60 mph.
  • Participants also consider scenarios such as riding in a convertible or opening the back window of an SUV, raising questions about the insect's flight in those contexts.

Areas of Agreement / Disagreement

Participants express varying viewpoints on the dynamics of the insect's flight relative to the vehicle's speed and the surrounding air, indicating that multiple competing views remain without a clear consensus.

Contextual Notes

The discussion does not resolve the assumptions about the insect's behavior in different wind conditions or the specifics of how speed is perceived relative to different frames of reference.

dmehling
Messages
114
Reaction score
0
I have a very basic question that I have not yet found the answer to. Basically it's this: if you are traveling in a vehicle at 60 mph, what is it that allows a flying insect inside the vehicle to fly around? Is the insect traveling at 60 mph plus or minus its own speed depending on the direction it's flying within the vehicle? If so, why is the fact that it's inside the vehicle allow it to travel at a speed that it could not reach outside of the vehicle? And what if it flew out the window? Would it suddenly fall to the ground because of a loss of speed or would it gradually slow down to its normal speed of flight?
 
Physics news on Phys.org
dmehling said:
I have a very basic question that I have not yet found the answer to. Basically it's this: if you are traveling in a vehicle at 60 mph, what is it that allows a flying insect inside the vehicle to fly around?
The air, which is carried along inside the vehicle.
Is the insect traveling at 60 mph plus or minus its own speed depending on the direction it's flying within the vehicle?
Sure, with respect to the ground.
If so, why is the fact that it's inside the vehicle allow it to travel at a speed that it could not reach outside of the vehicle?
Its speed with respect to the air is normal.
And what if it flew out the window? Would it suddenly fall to the ground because of a loss of speed or would it gradually slow down to its normal speed of flight?
If it flew out the window, it would find itself in a rush of backwards moving air (compared to the air inside the vehicle).
 
Similarly, the bug could fly that fast outside a car, were it to catch a 60 mph tailwind.
 
Imagine riding in a convertible, what would happen to the fly?

Or opening the back window of an SUV.
 

Similar threads

  • · Replies 19 ·
Replies
19
Views
3K
  • · Replies 38 ·
2
Replies
38
Views
7K
  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 6 ·
Replies
6
Views
3K
  • · Replies 39 ·
2
Replies
39
Views
2K
  • · Replies 29 ·
Replies
29
Views
3K
  • · Replies 69 ·
3
Replies
69
Views
17K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 14 ·
Replies
14
Views
22K
  • · Replies 4 ·
Replies
4
Views
2K