Table salt, NaCl, has various chemical and physical properties. Which properties below apply
to NaCl and which do not apply?

Answer choices: Crystalline solid
Low PH
High melting point
White in color
Soluble in water
Liquid at room temperature
Conducts electricity when In aqueous solution

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door