A block and tackle is used to lift an automobile engine that weighs 1800 N. The person exerts a force of 300 N to lift the engine. How many ropes are supporting the engine

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

What occurs during a combustion reaction

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z