Un bloque de 3Kg de masa es empujado contra una pared mediante una fuerza P que forma un
ángulo de Ѳ=50° con la horizontal, como se muestra en la figura. El coeficiente de fricción estático
entre el bloque y la pared es de 0,25. Determine el valor de la fuerza P que permite al bloque
permanecer fijo

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg