A cyclist and his bicycle have a combined mass of 55kg. Total area of the tyres in contact with the road is 2.2 times (10 minus power of 3) in contact with pressure exerted by the two on the ground.

Question

A cyclist and his bicycle have a combined mass of 55kg. Total area of the tyres in contact with the road is 2.2 times (10 minus power of 3)  in contact with pressure exerted by the two on the ground.

bobpursley · Accepted Answer

Total area? each tire, or both? I am assuming both. Weight=55*9.8N=areacontact*Pressure pressure=55*9.8/.0022m^2 pressure will be in Pascals.