contestada

what is the minimum horizontal force needed to start a 300. kilogram steel block on a steel table in motion? a) 5.70 n b) 7.40 n c) 1710 n d) 2220 n

Respuesta :

Answer: 2220

Explanation:

Mass of steel block is 300kg

Weight = 300 x 9.81 = 2943N

Coefficient of Friction for steel of steel (static) = .74

.74 x 2943 = 2,177.82