The figure shows four forces exerted on a box. Box
If F, equals 4 N and F3 equals 6 N and the box remains stationary, which statement is correct?
a
F2 equals 6 N and F4 equals 4 N.
b
F2 equals 2 N and F4 equals 10 N.
F2 equals 10 N and F4 equals 2 N.
Od
F2 equals 4 N and F4 equals 6 N.

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.