If the lever in the picture below has a force advantage of 1, then... Select one:
a. the effort force must be the same as lifting force.
b. the effort force must be less than lifting force.
c. the effort force must be greater than lifting force.
d. any of the above could be true.

The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next