2.4 Particle interactions

• The gravitational force is the weakest of the four fundamental forces but has an infinite range.
• The strong nuclear force has the strongest strength but a very short range, acting only within the atomic nucleus.

  True
• The gravitational force is hypothetically mediated by gravitons.
• The strong nuclear force has the strongest strength but a very short range.
• Match each force with its mediating particle:

  Electromagnetic ↔️ Photon

  Weak Nuclear ↔️ W and Z bosons

  Strong Nuclear ↔️ Gluons

  Gravitational ↔️ Graviton (hypothetical)
• The electromagnetic force is responsible for the attraction between protons and electrons in atoms.


  True
• What is the mediating particle of the strong nuclear force?

  Gluons
• The electromagnetic force is mediated by photons
• The electromagnetic force has infinite range but its strength diminishes with distance
• During β⁻ decay, a neutron transforms into a proton, releasing an electron and an antineutrino
• The electromagnetic force has medium strength and an infinite range.
• Which fundamental force has gluons as its mediating particles?

  Strong Nuclear
• Order the four fundamental forces from weakest to strongest:

  1️⃣ Gravitational

  2️⃣ Weak Nuclear

  3️⃣ Electromagnetic

  4️⃣ Strong Nuclear
• Which fundamental force has gluons as its mediating particles?

  Strong Nuclear
• Match each force with its strength and range:

  Gravitational ↔️ Weakest, Infinite

  Electromagnetic ↔️ Medium, Infinite

  Strong Nuclear ↔️ Strongest, Short

  Weak Nuclear ↔️ Medium, Short
• Which fundamental force is responsible for radioactive decay?

  Weak Nuclear
• What is the range of the gravitational force?

  Infinite
• The strong nuclear force acts only within the size of the nucleus.


  True
• What are the mediating particles of the weak nuclear force?

  W and Z bosons
• The gravitational force is attractive only and acts between objects with mass.


  True
• Match each force with its property:

  Strong Nuclear Force ↔️ Short Range

  Weak Nuclear Force ↔️ Radioactive Decay

  Electromagnetic Force ↔️ Infinite Range

  Gravitational Force ↔️ Weakest Strength
• The weak nuclear force is responsible for certain types of radioactive decay.

  True
• Gluons mediate the strong nuclear force and hold the nucleus together despite proton repulsion.

  True
• Gluons carry the strong nuclear force between quarks within protons and neutrons.
• The electromagnetic force is mediated by photons.
• The strong nuclear force has the strongest strength but the shortest range.


  True
• What is the role of gluons in the strong nuclear force?

  Overcome electrostatic repulsion
• Which particle mediates the electromagnetic force?

  Photons
• What is the hypothetical particle that mediates the gravitational force?

  Gravitons
• Match the force with its exchange particle:

  Electromagnetic ↔️ Photon

  Strong Nuclear ↔️ Gluon

  Weak Nuclear ↔️ W and Z bosons

  Gravity ↔️ Graviton
• Which force binds quarks together within protons and neutrons?

  Strong nuclear force
• Match the mediating particle with the force it mediates:

  Photon ↔️ Electromagnetic force

  Gluon ↔️ Strong nuclear force

  W and Z bosons ↔️ Weak nuclear force

  Graviton ↔️ Gravity
• What is the range of the strong nuclear force?

  Very short
• What is the mediating particle for gravity?

  Graviton
• The strong nuclear force overcomes the repulsive force between protons.


  True
• Order the fundamental forces by their relative strength from weakest to strongest:

  1️⃣ Gravitational force

  2️⃣ Weak nuclear force

  3️⃣ Electromagnetic force

  4️⃣ Strong nuclear force
• What role does the electromagnetic force play in atoms?

  Holds atoms together
• W and Z bosons mediate the weak nuclear force

  True
• What is the primary influence of gravity on a large scale?

  Holds galaxies together
• Gluons bind quarks together within protons and neutrons


  True