Which objects are inclined planes? Select three options. a nail a staircase a seesaw a wheelchair ramp a slide

The two required components for a generator are

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

What kind of simple machine is a catapult?