If you cannot exert enough force to loosen a bolt with a wrench, which of the following should you do? a. use a wrench with a longer handle. b. tie a rope to the end of the wrench and pull on the rope. c. use a wrench with a shorter handle. d. you should exert a force on the wrench closer to the bolt.

How will each of the following changes in demand and/or supply affect equilibrium price and equilibrium quantity in a competitive market; that is, do price and quantity increase or decrease, or are the answers indeterminate because they depend on the magnitudes of the shifts?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter