Forces in Nature

Which force is responsible for holding the nucleus of an atom together?

• electromagnetic force

• gravitational force

• weak nuclear force

• strong nuclear force

What is the weakest of the four fundamental forces?

• electromagnetic force

• strong nuclear force

• weak nuclear force

• gravitational force

Which force is responsible for the attraction between two charged particles?

• electromagnetic force

• gravitational force

• frictional force

• nuclear force

What force causes objects to fall towards the Earth?

• gravity

• friction

• magnetism

• electricity

Which force is responsible for radioactive decay?

• weak nuclear force

• strong nuclear force

• electromagnetic force

• gravitational force

What is the range of the strong nuclear force?

• 1 meter

• 1 kilometer

• 1 nanometer

• 1 femtometer

Which force is responsible for the repulsion between two negatively charged particles?

• electrostatic force

• magnetic force

• gravitational force

• nuclear force

What is the range of the weak nuclear force?

• 10^-20 meters

• 10^-18 meters

• 10^-10 meters

• 10^-15 meters

Which force is responsible for the binding of protons and neutrons in the atomic nucleus?

• electromagnetic force

• weak nuclear force

• gravitational force

• strong nuclear force

What is the range of the electromagnetic force?

• limited

• zero

• variable

• infinite