Moments, levers and gears

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Question 33

Easy

A winch system uses two meshed gears, Gear A and Gear B, to lift a heavy load. Gear A has 42 teeth and is connected to the motor shaft, while Gear B has 18 teeth and is connected to the winch drum.

Meshed gears A and B

Which of the following gives the ratio of the number of revolutions made by Gear A to the number of revolutions made by Gear B in its simplest form?

$3 : 7$

$7 : 3$

$9 : 21$

$21 : 9$

Moments, levers and gears

Question 33

Moments, levers and gears Questions

Moments, levers and gears

Question 33

Moments, levers and gears Questions