A car weighs 200kg.The weight is evenly distributed on four wheels.If pressure in each tyre is 15kgwt/cm square.what is the area of tyre in contact.

Asked by RAJDEEP NASKAR | 6th Oct, 2013, 06:32: PM

Expert Answer:

The weight of car is = W = 200 × 9.8 kg wt.
This weight is distributed evenly on all four tyres.
Thus, force on one tyre is = F = 50 × 9.8 kg wt.
Pressure on one tyre = P = 15 kg wt/cm2.
 
Thus, area of one tyre in contact with the ground is

Answered by Romal Bhansali | 7th Oct, 2013, 11:19: AM

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