All Questions
13
questions
0
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2
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74
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Accelerating body in a non-inertial frame of reference
If a body is subjected to a force, can I find a non-inertial frame of reference in which the body is not accelerating?
- 21
2
votes
1
answer
110
views
Flying mosquito problem [duplicate]
Let's say there is a car and its doors and windows are closed. Basically it is a closed space inside. There is a mosquito hovering right in the center of closed space of the car. While doing so the ...
- 39
3
votes
2
answers
279
views
Can we use relative motion if acceleration of two bodies are different?
Suppose, on the $x$-axis, a body $A$ is moving with velocity $v_1$ and acceleration $a_1$, and a second body $B$ is moving with velocity $v_2$ and acceleration $a_2$. $B$ is at a distance of $S$ from $...
0
votes
2
answers
91
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Why does these two masses not have same acceleration? [closed]
Assumptions: No friction , $m_2$=5kg and $z_1$=2kg. $z_2$ is fixed at its place.
Here, there is a mass of $5kg$ on a movable wedge of mass $2kg$. So, my question is that can we say that acceleration ...
- 33
0
votes
3
answers
419
views
If Earth accelerates, what reference frame is its acceleration relative to?
It should be a very fundamental thing, a very simple question. But there's something I want to understand.
We know that when we throw an apple vertically upwards, it experiences a force of gravity ...
- 866
0
votes
1
answer
300
views
Differentiating linear and non-linear motion
If there is a Person sitting in a vehicle which is moving, how could he find out whether it's in motion and if he figures that out, how does he find out whether it's accelerated or non-accelerated?
0
votes
2
answers
165
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The mechanics of retention of velocity/acceleration when an object is dropped from a moving body
This might seem a stupid question but please help me out because I'm very confused.
We say that when an object is dropped from a moving body (moving with constant acceleration $a$) It has the ...
- 11
1
vote
2
answers
295
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A question regarding inertial reference frame
We define a non-inertial reference as a reference frame which is accelerating.
But the question is if it is the reference frame itself what is it accelerating with respect to?
For simplification ...
- 31
2
votes
5
answers
2k
views
Why was it difficult to walk in the same direction the train's acceleration, and easier the other way around?
The other day while I was walking in the same direction that the train was accelerating. Then I came across this question. Please if would answer it, I am very curious to know. But when I walked the ...
- 23
0
votes
2
answers
1k
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One dimensional motion - Why does a ball fall back in my hands when I throw it up in a moving bus? [duplicate]
Suppose you are moving in a bus and you throw a ball upwards. Why does it always land in your hand and does not fall behind you? The bus is moving with a uniform velocity in a straight direction.
Now ...
- 125
1
vote
1
answer
745
views
Smooth collar sliding down smooth shaft [closed]
For part (a), we find that the acceleration of the collar is $6.94~\mathrm{m/s^2}$. In part (b), we say that the acceleration of B with respect to A is $6.94~\mathrm{m/s^2}$, which makes sense.
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1
vote
1
answer
416
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Why is speed/position relative but acceleration not? [duplicate]
I think i understand it now, if found this: link
I know that position and speed are relative. There is no such thing as universal coordinates. Then why is acceleration absolute? Is the 3th and 4th ...
- 43
1
vote
1
answer
513
views
Relative acceleration with pullys
I have tried this question every way I can think but in the equation for particle $L$ $g$ cancels every time. Could someone show me how to do it correctly or tell me what I am doing wrong. Thanks,
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