A body weighing 1000 kg under the action of a force of 300N moves evenly along a flat road.

A body weighing 1000 kg under the action of a force of 300N moves evenly along a flat road. What is the coefficient of friction?

To find the coefficient of friction between a flat road and a body, we project all forces onto the ОХ axis: m * a = 0 (uniform motion) = F – Fтр = F – μ * m * g, whence μ = F / (m * g).

Variables and constants: F – acting force (F = 300 N); m – body weight (m = 1000 kg); g – acceleration due to gravity (g ≈ 10 m / s2).

Calculation: μ = F / (m * g) = 300 / (1000 * 10) = 0.03.

Answer: The coefficient of friction between the flat road and the body is 0.03.