Answers

2016-03-08T19:59:36+05:30
Here,
Force exerted by the car=mg     [g=acceleration due to gravity]
                                       =1200*9.8
                                       =11760 Newton
Since, 
Pressure=Force/Area
               = 11760/10
               =1176 N/m²
Noe, since the car is already exerting 1176 N/m² of pressure, so the platform should exert pressure greater than 1176 N/m² to lift the car.
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