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   "source": [
    "# Chapter 23 Kinetics of Rigid Body Work and Energy"
   ]
  },
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   "metadata": {},
   "source": [
    "# Example 23.2 Principle of work and energy for a rigid body"
   ]
  },
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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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