what happens when you hit the coin at the bottom why
The correct answer and explanation is:
When you hit a coin placed at the bottom of a surface, several physical effects occur depending on how and where you hit it. Let me explain what generally happens and why.
What happens when you hit a coin at the bottom?
If the coin is lying flat on a hard surface (like a table) and you strike it at the bottom edge or side:
- The coin moves or slides — The force of your hit pushes the coin along the surface.
- The coin may spin or flip — If you hit the coin off-center or at an angle, it can start to spin or even flip over.
- The coin can jump or bounce — A strong enough hit can make the coin lift off the surface briefly.
- Sound is produced — The impact causes vibrations in the coin and surface, creating sound waves.
- Friction acts on the coin — Friction between the coin and surface slows down its motion after the hit.
Why does this happen?
- Force and Newton’s Laws: When you hit the coin, you apply a force. According to Newton’s Second Law, the force causes acceleration, making the coin move.
- Direction of Force: If the force is directly horizontal and hits the bottom edge, the coin mainly slides. If the force hits at an angle or off-center, it produces torque, causing the coin to spin or flip.
- Friction: Friction between the coin and the surface resists motion. Without friction, the coin would slide indefinitely.
- Elasticity: Some energy from the hit may be stored temporarily in the coin as deformation and released, causing the coin to bounce or vibrate.
- Impulse: The brief collision changes the coin’s momentum quickly, leading to its motion.
Summary
Hitting a coin at the bottom transfers energy to it, causing it to move, spin, or jump due to forces, torque, friction, and elasticity. The exact outcome depends on the angle, force, and surface. This simple action demonstrates basic physics principles like force, motion, and energy transfer in everyday life.