Determine the thrust force of the engine of a car weighing 2 tons if it moves with an acceleration

Determine the thrust force of the engine of a car weighing 2 tons if it moves with an acceleration of 2 m / s2 and the friction coefficient is 0.2?

Initial data: m (vehicle weight) = 2 t; a (the acceleration with which the car is moving) = 2 m / s ^ 2; μ (coefficient of friction) = 0.2.

SI system: m = 2 t = 2 * 10 ^ 3 kg.

To determine the thrust force of the car engine, we will project all the acting forces onto one axis: m * a = Fthrust – Ftr. = Fthrust – μ * m * g, whence Fthrust = m * a + μ * m * g = m * (a + μ * m).

Let’s perform the calculation: Fthroat = 2 * 10 ^ 3 * (2 + 10 * 0.2) = 2 * 10 ^ 3 * 4 = 8 * 10 ^ 3 H = 8 kN.

Answer: The thrust force of the car engine is 8 kN.