- #1
kurumaas
- 1
- 0
Is it possible for a wheels forward velocity to increase when separated from a moving vehicle? If so please describe what makes this possible?
Can Wheels Increase Velocity When Separated From Vehicle?
AI Thread Summary
The discussion explores whether a wheel's forward velocity can increase after being separated from a moving vehicle. While some argue that this is unlikely unless the wheel is rolling downhill, others suggest that temporary accelerations could occur due to the tire's elastic response to bumps or the influence of a tailwind. The conversation highlights the complexity of the scenario, indicating that various factors could affect the wheel's motion post-separation. Overall, the consensus leans towards the idea that significant increases in velocity are improbable under normal circumstances. The topic raises interesting questions about the physics of motion and external influences on separated objects.
- #2
jdog
- 20
- 0
I would say not unless it's going down hill. However, if you're in the vehicle, you are most likely going to come to a stop and watch that wheel roll ahead of you.
- #3
Danger
Gold Member
- 9,793
- 251
It's not necessarily that cut-and-dried. I'm wondering if there might be small temporary accelerations from the elastic effect of the tire in reaction to certain types of bumps. A good tailwind might provide the same. 
The rope is tied into the person (the load of 200 pounds) and the rope goes up from the person to a fixed pulley and back down to his hands. He hauls the rope to suspend himself in the air. What is the mechanical advantage of the system? The person will indeed only have to lift half of his body weight (roughly 100 pounds) because he now lessened the load by that same amount. This APPEARS to be a 2:1 because he can hold himself with half the force, but my question is: is that mechanical...
Some physics textbook writer told me that Newton's first law applies only on bodies that feel no interactions at all. He said that if a body is on rest or moves in constant velocity, there is no external force acting on it. But I have heard another form of the law that says the net force acting on a body must be zero. This means there is interactions involved after all. So which one is correct?
Hello!
I have a question regarding a beam on an inclined plane. I was considering a beam resting on two supports attached to an inclined plane. I was almost sure that the lower support must be more loaded. My imagination about this problem is shown in the picture below.
Here is how I wrote the condition of equilibrium forces:
$$
\begin{cases}
F_{g\parallel}=F_{t1}+F_{t2}, \\
F_{g\perp}=F_{r1}+F_{r2}
\end{cases}.
$$
On the other hand...
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