When you push on a stationary object on a horizontal surface and it doesn't move, what kind of force is most likely opposing your efforts?
a. Static friction force
b. Sliding friction force
c. Lubricant friction force
d. Gravitational force
e. Normal Force
Question 2
When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and ______________.
Fill in the blank(s) with correct word