User pcforgeek

42 votes

7 answers

13k views

Why do we need to know the shape of the slide to find the time to slide down it?

asked Jan 6, 2015 at 14:29

18 votes

3 answers

45k views

Why does friction play the role of centripetal force during the turning of a car?

asked Oct 5, 2014 at 16:12

11 votes

3 answers

13k views

Is torque independent of choice of the point of rotation?

asked Nov 21, 2014 at 0:15

7 votes

2 answers

10k views

Validity of work-energy theorem in presence of non-conservative forces?

asked Nov 29, 2014 at 8:19

6 votes

3 answers

43k views

Why is less force required to open a door when we apply a force at a greater distance from the hinge?

asked Nov 20, 2014 at 15:13

5 votes

3 answers

10k views

Acceleration of an object dropped inside an accelerating elevator

asked Oct 4, 2014 at 15:16

5 votes

2 answers

2k views

Rolling as pure rotation

asked Jan 17, 2015 at 14:30

5 votes

2 answers

56k views

Why is it difficult to cook food on mountains?

asked Feb 25, 2015 at 11:41

3 votes

1 answer

5k views

Dependence of streamlined flow on viscosity

asked Feb 5, 2015 at 12:09

3 votes

1 answer

5k views

Application of Bernoulli's theorem

asked Feb 7, 2015 at 9:41

3 votes

1 answer

2k views

Why friction is not reliable for circular turns on horizontal road with high speed and sharp curve?

asked Nov 14, 2014 at 14:40

3 votes

3 answers

1k views

Conservation of kinetic energy in collision

asked Dec 12, 2014 at 5:28

3 votes

2 answers

6k views

Factors on which Coefficient of restitution depend

asked Dec 12, 2014 at 15:01

2 votes

5 answers

5k views

Relation between potential energy and forces

asked Nov 30, 2014 at 11:43

2 votes

3 answers

12k views

Will an object rotate when we apply a force to it?

asked Nov 20, 2014 at 16:26

2 votes

2 answers

75 views

Who feel more impact of fall

asked Oct 5, 2014 at 15:47

1 vote

3 answers

5k views

What acceleration to use in this problem?

asked Oct 6, 2014 at 1:43

1 vote

4 answers

19k views

Why is there conservation of kinetic energy in elastic collision and not in inelastic collision?

asked Dec 10, 2014 at 6:02

1 vote

2 answers

10k views

Relation between sound waves and air molecules

asked Jan 26, 2015 at 13:32

1 vote

2 answers

331 views

Cause of rolling friction

asked Dec 20, 2014 at 7:42

1 vote

1 answer

114 views

Why speed of block/box reduce when force is acted?

asked Jan 7, 2015 at 13:20

0 votes

2 answers

20k views

How does friction help the car to move forward? [duplicate]

asked Jan 7, 2015 at 23:48

0 votes

0 answers

495 views

Instantaneous acceleration in non uniform circular motion

asked Jan 14, 2015 at 5:16

0 votes

3 answers

395 views

Newton's Second law of Rotation

asked Jan 17, 2015 at 11:30

0 votes

1 answer

136 views

Is friction acting for average speed if vehicle passing on a banked road?

asked Dec 24, 2014 at 1:21

0 votes

1 answer

1k views

Why is Surface film a stretched membrane due to surface tension

asked Feb 9, 2015 at 1:47

0 votes

4 answers

3k views

Fall in temperature due to expansion

asked Feb 28, 2015 at 9:19

0 votes

0 answers

58 views

Dependence of kinetic friction on relative velocity

asked Dec 20, 2014 at 5:17

0 votes

1 answer

1k views

What is the final velocity of a stone dropped out of a rising balloon? [closed]

asked Oct 4, 2014 at 12:15

0 votes

2 answers

12k views

How can kinetic energy be conserved in an elastic collision

asked Dec 10, 2014 at 2:00

Stack Exchange Network

33 Questions

Why do we need to know the shape of the slide to find the time to slide down it?

Why does friction play the role of centripetal force during the turning of a car?

Is torque independent of choice of the point of rotation?

Validity of work-energy theorem in presence of non-conservative forces?

Why is less force required to open a door when we apply a force at a greater distance from the hinge?

Acceleration of an object dropped inside an accelerating elevator

Rolling as pure rotation

Why is it difficult to cook food on mountains?

Dependence of streamlined flow on viscosity

Application of Bernoulli's theorem

Why friction is not reliable for circular turns on horizontal road with high speed and sharp curve?

Conservation of kinetic energy in collision

Factors on which Coefficient of restitution depend

Relation between potential energy and forces

Will an object rotate when we apply a force to it?

Who feel more impact of fall

What acceleration to use in this problem?

Why is there conservation of kinetic energy in elastic collision and not in inelastic collision?

Relation between sound waves and air molecules

Cause of rolling friction

Why speed of block/box reduce when force is acted?

How does friction help the car to move forward? [duplicate]

Instantaneous acceleration in non uniform circular motion

Newton's Second law of Rotation

Is friction acting for average speed if vehicle passing on a banked road?

Why is Surface film a stretched membrane due to surface tension

Fall in temperature due to expansion

Dependence of kinetic friction on relative velocity

What is the final velocity of a stone dropped out of a rising balloon? [closed]

How can kinetic energy be conserved in an elastic collision