What temperature should i set my curling iron to?

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?