(Q).
Q: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage? Choices: - 4 - 1.5 - 2 - 1 A:
(A).
1

(Q).
Q: Air is said to reach what point, a term used by meteorologists, when humidity increases or temperature decreases? Choices: - bubble point - its dip point - freezing point - its dew point A:
(A).
its dew point

(Q).
Q: What do you call a mixture in which some particles settle out of it when it is left standing? Choices: - emulsion - alloy - homogenous - suspension A:
(A).
suspension