a material that attracts or repels the same material and attracts iron and steel
the lines of force surrounding a permanent magnet or a moving charged particle
the attraction or repulsion between magnetic poles
Law of Magnetism
Law stating that opposite magnetic poles attract and like magnetic poles repel.
The area around a planet most affected by its magnetic field. The boundary of this field is set by the solar wind.
a region in which the magnetic fields of all atoms are lined up in the same direction
A material that is strongly attracted to a magnet, and which can be made into a magnet.
Any of various elementary mechanisms including the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
a simple machine that gives a mechanical advantage when given a fulcrum
The fulcrum is positioned between the effort and resistance
The fulcrum is positioned at one end of the bar and the resistance is between the fulcrum and the effort
The fulcrum is at one end of the bar and the effort is between the fulcrum and the resistance
the pivot about which a lever turns
the distance between the input force and the fulcrum
the distance between the output force and the fulcrum
Wheel and axle
simple machine made from two circular objects of different diameters that are attached and rotate together
a flat surface with one end higher than the other
something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
an inclined plane wrapped around a cylinder
a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
a combination of two or more simple machines