Keywords

9.7 Keywords

Description

Key Concepts

  • Ball Bearing: A component used to reduce friction and allow smoother motion.

  • Drag: The resistance that acts on an object moving through a fluid.

  • Fluid Friction: Friction arising between layers of fluids or between solids and fluids.

  • Friction: The force that opposes motion between two surfaces.

  • Interlocking: A mechanism by which rough surfaces increase friction.

  • Lubricants: Substances that minimize friction by providing a smooth interface.

  • Rolling Friction: Less resistance felt when an object rolls as opposed to sliding.

  • Sliding Friction: The frictional force that resists the movement of sliding surfaces.

  • Static Friction: The force preventing surfaces from moving when pushed.

Memory Aids

🎵 Rhymes Time

  • Friction, friction, feel the pull; it stops objects quick, just like a rule.

📖 Fascinating Stories

  • Once there was a heavy box sitting still, until a strong kid came in with a will. He pushed and pushed with all his might, but static friction held it tight!

🧠 Other Memory Gems

  • Remember 'Silly Sally Rolled Slowly' for Static, Sliding, and Rolling friction types!

🎯 Super Acronyms

Use the acronym 'LFR' - Lubricants, Fluid Friction, Resistance to summarize friction factors!

Examples

  • When pushing a heavy furniture piece, the initial friction before it starts moving is static friction.

  • Rollerblades experience rolling friction, allowing for smoother movement compared to sliding friction.

  • Oil applied to a squeaky door reduces friction, allowing it to turn easily.

Glossary of Terms

  • Term: Ball Bearing

    Definition:

    A device with balls that reduce friction between moving parts by allowing smooth rotation.

  • Term: Drag

    Definition:

    The resistance caused by a fluid, affecting the object's movement.

  • Term: Fluid Friction

    Definition:

    Friction that occurs between layers of fluids or between solids and fluids.

  • Term: Friction

    Definition:

    The resisting force that opposes the sliding or rolling motion of surfaces.

  • Term: Interlocking

    Definition:

    The phenomenon where surface irregularities mesh together, increasing friction.

  • Term: Lubricants

    Definition:

    Substances that reduce friction between surfaces in relative motion.

  • Term: Rolling Friction

    Definition:

    The resistance faced by an object when it rolls over surfaces.

  • Term: Sliding Friction

    Definition:

    The resistance to motion that occurs when two surfaces slide against each other.

  • Term: Static Friction

    Definition:

    The friction force that prevents the initiation of motion between surfaces.