Levers and gears (AQA GCSE Physics): Flashcards
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12 cards from this deck
Effect transmitted by levers & gears
Effect transmitted by levers & gears
Rotational effect of forces
Three parts of a lever
Three parts of a lever
Input force, output force, fulcrum
Fulcrum definition
Fulcrum definition
The pivot point the lever turns around
Input force definition
Input force definition
The push or pull you apply to the lever
Output force definition
Output force definition
The force that comes out of the lever
Lever example: input & output on same side
Lever example: input & output on same side
Scissors or pliers
Lever example: input & output on opposite sides
Lever example: input & output on opposite sides
Seesaw or crowbar
Gears definition
Gears definition
Toothed wheels that mesh together
Direction rule for adjacent gears
Direction rule for adjacent gears
Each gear spins in opposite direction to the next
High gear: configuration & result
High gear: configuration & result
Large gear turns smaller; high speed, low turning effect
Low gear: configuration & result
Low gear: configuration & result
Small gear turns larger; low speed, high turning effect
Bicycle gears: hills vs flat roads
Bicycle gears: hills vs flat roads
Low gear for hills, high gear for flat roads