Gears and Rotational Motion | GCSE Physics Practice
Gears transmit circular motion and can change the speed or torque of a system.
If Gear A has 20 teeth and Gear B has 40, what is the speed ratio?
What is Gears and Rotational Motion | Practice?
"The transfer of rotational motion between connected gears of different sizes."
What is the resultant force on an object if a 10N force acts right and a 4N force acts left?
Which of these is the correct vector equivalent of 'Distance'?
An object moves at a constant velocity. What is the resultant force?
What is the unit of the spring constant (k)?
Gear Ratios
Connected gears turn in opposite directions.
Tooth ratio = Turning effect ratio.
More teeth = larger radius = larger moment.
Speed and turning effect are inversely proportional in gear systems.
Logic Check: A larger gear turns slower but provides a much larger turning force (torque).
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