Para que una bloque de madera de 60n iniciara su deslizamiento con una velocidad constante sobre una mesa de madera, se aplico una fuerza de 21n, calcula el coeficiente de fricción dinámico entre las dos superficies

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What part of the ear is names after tools, such as the hammer and the anvil?