User 4d_

13 votes

7 answers

3k views

Can we divide a vector by another vector? How about this: $a = vdv/dx?$

asked Jan 25, 2019 at 14:38

8 votes

3 answers

2k views

Potential energy of a spring vs potential energy of the spring-mass system

asked May 21, 2020 at 15:08

7 votes

4 answers

10k views

Is a unit vector really unitless and dimensionless?

asked Oct 14, 2018 at 17:38

5 votes

3 answers

3k views

Tension in a massless string being pulled at its ends with unequal forces

asked Dec 4, 2019 at 11:37

3 votes

2 answers

2k views

Why can’t we consider these two masses as a system in case of a pulley?

asked Apr 7, 2020 at 5:26

2 votes

3 answers

370 views

Is tension along the length of a massive rope resting on a table always the same?

asked Nov 25, 2019 at 18:02

2 votes

2 answers

2k views

What are Inertial and non-inertial forces?

asked Apr 14, 2020 at 2:51

2 votes

4 answers

345 views

Different expressions for distance & displacement : $\int$$d$$|\vec r|$, $\int$$|$$d$$\vec r$|, and $|$$\int$$d$$\vec r|$

asked Feb 3, 2019 at 7:34

2 votes

2 answers

270 views

Can we know whether it’s a $1D$ or a $2D$ motion just by looking at the position-time relation?

asked Feb 9, 2019 at 5:43

2 votes

1 answer

102 views

Motion involving Constraint relations

asked Sep 9, 2021 at 20:44

2 votes

2 answers

521 views

Why does Friction not accelerate the body in this case?

asked Apr 14, 2022 at 6:46

1 vote

0 answers

42 views

How do I prove that this force equation is wrong? [duplicate]

asked Apr 17, 2022 at 4:02

1 vote

2 answers

171 views

When we pull a tablecloth off a table with a glass on it

asked Aug 25, 2022 at 14:32

1 vote

0 answers

80 views

Mechanical energy conservation for different chosen systems

asked May 24, 2020 at 6:24

1 vote

2 answers

1k views

Work done by a spring on a block

asked May 7, 2020 at 19:31

1 vote

1 answer

244 views

Why do we define the stability of a body only under the action of conservative forces?

asked May 30, 2020 at 18:29

1 vote

3 answers

1k views

Which force provides the centripetal acceleration that makes objects on earth's surface rotate about Earth's axis of rotation?

asked May 15, 2021 at 16:45

1 vote

1 answer

239 views

Friction between a banked road and tyres of a car

asked May 18, 2021 at 15:39

1 vote

2 answers

718 views

Slope of $x$-$t²$ curve (displacement vs time squared)

asked Feb 3, 2019 at 16:39

1 vote

3 answers

293 views

Massless string vs massless spring in a mass-spring system

asked Apr 8, 2020 at 8:41

1 vote

5 answers

1k views

Instantaneous changes in acceleration

asked Feb 2, 2019 at 3:37

1 vote

4 answers

2k views

Are distance and displacement always frame independent?

asked Oct 1, 2018 at 12:49

1 vote

3 answers

1k views

Question regarding average velocity

asked Oct 2, 2018 at 11:35

1 vote

1 answer

1k views

Dimensional correctness of equations [duplicate]

asked Oct 5, 2018 at 16:28

1 vote

2 answers

1k views

Locus equation of a projectile in terms of $\tan\theta$

asked Feb 13, 2019 at 5:45

1 vote

2 answers

49 views

Does slope of $y$ vs $x$ curve tell anything about magnitude of instantaneous velocity at that point?

asked Oct 9, 2019 at 2:03

1 vote

1 answer

1k views

Direction of acceleration vector at the apex of a curve

asked Oct 15, 2019 at 7:09

1 vote

2 answers

369 views

How do I interpret/make sense of $\frac{d\theta}{dt}$ in physics’ language?

asked Oct 29, 2019 at 17:01

0 votes

2 answers

721 views

How is the external force and the tension force related in this system [closed]

asked Nov 9, 2019 at 5:52

0 votes

3 answers

481 views

What does an acceleration greater than $g$ feel like?

asked Nov 22, 2019 at 12:06

Stack Exchange Network

52 Questions

Can we divide a vector by another vector? How about this: $a = vdv/dx?$

Potential energy of a spring vs potential energy of the spring-mass system

Is a unit vector really unitless and dimensionless?

Tension in a massless string being pulled at its ends with unequal forces

Why can’t we consider these two masses as a system in case of a pulley?

Is tension along the length of a massive rope resting on a table always the same?

What are Inertial and non-inertial forces?

Different expressions for distance & displacement : $\int$$d$$|\vec r|$, $\int$$|$$d$$\vec r$|, and $|$$\int$$d$$\vec r|$

Can we know whether it’s a $1D$ or a $2D$ motion just by looking at the position-time relation?

Motion involving Constraint relations

Why does Friction not accelerate the body in this case?

How do I prove that this force equation is wrong? [duplicate]

When we pull a tablecloth off a table with a glass on it

Mechanical energy conservation for different chosen systems

Work done by a spring on a block

Why do we define the stability of a body only under the action of conservative forces?

Which force provides the centripetal acceleration that makes objects on earth's surface rotate about Earth's axis of rotation?

Friction between a banked road and tyres of a car

Slope of $x$-$t²$ curve (displacement vs time squared)

Massless string vs massless spring in a mass-spring system

Instantaneous changes in acceleration

Are distance and displacement always frame independent?

Question regarding average velocity

Dimensional correctness of equations [duplicate]

Locus equation of a projectile in terms of $\tan\theta$

Does slope of $y$ vs $x$ curve tell anything about magnitude of instantaneous velocity at that point?

Direction of acceleration vector at the apex of a curve

How do I interpret/make sense of $\frac{d\theta}{dt}$ in physics’ language?

How is the external force and the tension force related in this system [closed]

What does an acceleration greater than $g$ feel like?