forces and interactions

• What is the role of gravity?

  It keeps things on Earth and affects planets
• What does magnetic force do?

  It attracts or repels magnetic materials
• What is a contact force?

  A force requiring physical touch to act
• What are the characteristics of contact and non-contact forces?

  • Contact Forces:
  • Require physical touch
  • Example: Pushing a door
  • Non-contact Forces:
  • Act at a distance
  • Example: Gravity pulling the moon
• What is the role of the strong nuclear force?

  • Binds protons and neutrons in the nucleus
  • Overcomes electromagnetic repulsion between protons
  • Ensures stability of atomic nucleus
• What happens when you kick a soccer ball?

  Your leg applies a force to the ball
• What type of force is the Gravitational Force?

  Non-contact force
• What are the types of forces and their descriptions?

  • Gravity: Pulls things toward Earth or large objects
  • Friction: Opposes movement between surfaces
  • Magnetic force: Attracts or repels magnetic materials
  • Nuclear forces: Bind atomic nuclei
• What are the different types of forces?

  Gravity, friction, magnetic force, nuclear forces
• What does the Strong Nuclear Force do?

  Holds protons and neutrons together in nuclei
• What is the role of the electromagnetic force?

  • Governs interactions between charged particles
  • Encompasses electric and magnetic forces
  • Explains light, electricity, and chemical bonding
• What type of force is the Strong Nuclear Force?

  Contact force
• What is the role of the weak nuclear force?

  • Responsible for radioactive decay
  • Allows protons to transform into neutrons
  • Involves emission of particles and energy
• How does the weak nuclear force operate?

  It is significant only within the atomic nucleus
• What type of force is the Electromagnetic Force?

  Non-contact force
• What is the strength of the electromagnetic force?

  Medium
• What is the strength of the gravitational force?

  Very Weak
• What is the strength of the weak nuclear force?

  Weak
• Which particles are involved in the gravitational force?

  Objects with Mass
• What are the characteristics of the four fundamental forces in nature?

  • Strong Nuclear Force:
  • Holds atomic nuclei together
  • Contact force
  • Weak Nuclear Force:
  • Enables radioactive decay
  • Contact force
  • Electromagnetic Force:
  • Controls charged particles
  • Non-contact force
  • Gravitational Force:
  • Attracts all mass
  • Non-contact force
• Who can apply forces?

  People, animals, or objects
• How does the gravitational force operate?

  It is a non-contact force with infinite range
• What is the definition of force?

  A push or pull that causes movement
• How does the electromagnetic force operate?

  It is a non-contact force acting over distances
• How does the Weak Nuclear Force contribute to radioactive decay?

  It allows protons to change into neutrons
• What role does friction play in daily activities?

  It slows a car when braking and prevents slipping
• What is the strongest fundamental interaction?

  Strong Nuclear Force
• How do forces shape our interactions with the environment?

  • They influence movement
  • They affect stability
  • They determine how we interact with objects
• What type of force is the Weak Nuclear Force?

  Contact force
• How does magnetic force affect a compass?

  It aligns the compass needle
• What happens when an apple falls from a tree?

  It demonstrates the force of gravity
• What is a non-contact force?

  A force that works without physical contact
• How does gravity affect everyday life?

  It keeps you on the ground and makes apples fall
• What is the range of the strong nuclear force?

  Extremely Short
• What are the characteristics of each fundamental interaction?

  • Strong Nuclear Force:
  • Strength: Very Strong
  • Range: Extremely Short
  • Particles: Protons and Neutrons
  • Example: Holds atomic nuclei together
  • Weak Nuclear Force:
  • Strength: Weak
  • Range: Short
  • Particles: Leptons and Quarks
  • Example: Causes radioactive decay
  • Electromagnetic Force:
  • Strength: Medium
  • Range: Long
  • Particles: Charged Particles
  • Examples: Light, electricity, chemical bonding
  • Gravitational Force:
  • Strength: Very Weak
  • Range: Infinite
  • Particles: Objects with Mass
  • Example: Keeps planets orbiting stars
• How do the four fundamental forces differ in terms of contact and range?

  • Strong Nuclear: Contact, short range
  • Weak Nuclear: Contact, short range
  • Electromagnetic: Non-contact, long range
  • Gravitational: Non-contact, infinite range
• What are the four fundamental forces in nature?

  Strong Nuclear, Weak Nuclear, Electromagnetic, Gravitational
• How does friction affect movement?

  It opposes movement between surfaces
• What are nuclear forces responsible for?

  They keep atomic nuclei together
• What is the strength comparison of the four fundamental forces?

  • Strong Nuclear: Strongest
  • Electromagnetic: Stronger than gravity
  • Weak Nuclear: Weaker than strong force
  • Gravitational: Weakest