The first thing you should always do when you're solving a problem is draw whats known as a?

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane