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Question

Which is the strongest fundamental force of nature?


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Solution

Fundamental forces

  1. The basic forms of interactions that can't be reduced further are called fundamental interactions or fundamental forces.
  2. These fundamental forces can be traced in nature and in many daily activities.

Gravitational Force

  1. Weakest fundamental force but has infinite range. This is an attractive force that acts between any two masses in the universe.
  2. It causes apples to fall from trees and determines the orbits of the planets around the Sun.
  3. As an application of gravity, we all are grounded to the earth.

Weak Nuclear Force

  1. The second weakest fundamental force comparatively has short-range.
  2. Radioactive decay and neutrino interactions are effects of this force.
  3. The force also causes the conversion of a neutron into a proton, an electron, and an antineutrino called Beta-decay.

Electromagnetic Force

  1. Stronger fundamental force, with infinite range. The force combines electricity with magnetism.
  2. It has range but is much weaker than the strong nuclear force.
  3. The force has attractive and repulsive acts between pieces of matter carrying an electrical charge.
  4. Like charges repel each other whereas unlike charges attract each other. Electricity, magnetism, and light are all produced by this force.

Strong Nuclear Force

  1. Strongest among four basic interactions but has a shorter range.
  2. The nucleus of all atoms has protons and neutrons. Neutrons have no electric charge whereas protons are positively charged.
  3. Even though protons are like charges that can repel, still they are in the nucleus by the strongest fundamental force.
  4. The force is 100 times stronger than the electromagnetic force that creates repulsion among protons to move apart.
  5. It is also strong enough to hold the quarks inside protons and neutrons together.

The strongest fundamental force is the strong nuclear force. This is a strong fundamental interaction that confines quarks into proton, neutron, and other hadron particles.


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