Electromagnetic Forces: Net Force & Magnetic Force

Front

Tug of war: Team X forces: +200 N, +210 N, +185 N; Team Y forces: -210 N, -200 N, -195 N. Which team wins and by how much?

Back

Team Y by 10 N

Front

What is net force on an object sitting still?

Back

0 N

Front

What force might prevent a laptop from sliding when pushed across a table?

Back

friction

Front

the sum of all the forces acting on a mass

Back

net force

Front

A property of certain kinds of materials that causes them to attract iron or steel.

Back

magnetism

Front

An invisible area of gravitational influence around a mass

Back

gravitational field

Front

An area of magnetic influence around a magnet

Back

magnetic field

Front

An object that sticks to iron (always a magnet no matter what)

Back

permanent magnet

Front

A piece of iron that behaves like a magnet only when it is under the influence of an external magnetic field.

Back

temporary magnet

Front

Definition: to pull towards each other

Back

attract