Ascrew has a mechanical advantage of 8. how much force must you apply to the screw so that it has an output force of 750 n? a. 550 n b. 94 n c. 55 n d. 6000 n

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th

What is similar between metals and suspensions