Which of the following is best described as an inclined plane twisted into a spiral?
a.
a pulley
b.
a screw
c.
a wheel and axle
d.
a wedge

Why are biogeochemical cycles important? earth is a closed system. that means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on so, it is essential that biogeochemical these materials as they move through earth's subsystems.

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

How would a small bar magnet be oriented when placed at position x?