A rope horizontally pulls a massive object lying on a surface with friction with a constant velocity. What describes the force on the rope?

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative