What is the net force on a box that is being pushed to the right with a 50 in the force while the same time being push the left for the 20 in the force

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?

What is the momentum of a 2 kg object moving at 15 meters per second

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.