1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
{
"metadata": {
"name": "chapter23.ipynb"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 23: Kinetics Of Rigid Body:Work And Energy"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 23.23-2,Page No:586"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"# Initilization of variables\n",
"\n",
"m=600 # kg # mass of the roller\n",
"r=0.25 # m # radius of the roller\n",
"P=850 # N # Force\n",
"v=3 # m/s # velocity to be acquired\n",
"theta=30 # degree # angle made by v with the force P\n",
"\n",
"# Calculations\n",
"\n",
"# The distance required to be rolled is given by equating the Work done between positions 1 & 2 as,\n",
"x=((0.75)*m*v**2)/(P*cos(theta*(pi/180))) # m\n",
"\n",
"# Results\n",
"\n",
"print\"The distance required to be rolled is \",round(x,1),\"m\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The distance required to be rolled is 5.5 m\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
