Motorcycles have two or three wheels, a seat for the rider and at least a horse-powered engine

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?