In a lever, the effort arm is two times as long as the load arm. the resultant force will be
a) half the applied force
b) twice the applied force
c) four times the applied force
d) the same as the applied force.

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.