Determine the pressure exerted by a two-axle trailer on the road, if its mass with a load of 2.5 t

| February 11, 2021 | education

Determine the pressure exerted by a two-axle trailer on the road, if its mass with a load of 2.5 t, and the contact area of each wheel with the road is 125 cm2

m = 2.5 t = 2500 kg.

g = 9.8 m / s2.

S = 125 cm2 = 0.0125 m2.

P -?

Pressure P is the ratio of the force F to the surface area S on which this force acts: P = F / S.

A trailer with a load puts its weight on the road. We find the weight of the trailer with the load by the formula: F = m * g, where m is the mass of the trailer with the load, g is the acceleration of gravity.

Since the trailer has two wheels, each of the contact area S, the weight of the trailer will be distributed over the area 2 * S.

P = m * g / 2 * S.

P = 2500 kg * 9.8 m / s2 / 2 * 0.0125 m2 = 980000 Pa.

Answer: the pressure of the trailer on the road is P = 980,000 Pa.



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