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{
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{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 23 Kinetics of Rigid Body Work and Energy"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Example 23.2 Principle of work and energy for a rigid body"
]
},
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"execution_count": 1,
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{
"name": "stdout",
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"text": [
"The distance required to be rolled is 5.501808 m\n"
]
}
],
"source": [
"import math\n",
"# Initilization of variables\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",
"# Calculations\n",
"# The distance required to be rolled is given by equating the Work done between positions 1 & 2 as,\n",
"x=((3/4)*m*v**2)/(P*math.cos(theta*math.pi/180)) # m\n",
"# Results\n",
"print('The distance required to be rolled is %f m'%x)"
]
}
],
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|
