GEARS

Front

What are gears?

Back

Gears are rotating machines that transmit torque and motion between different parts of a machine.

Front

Which of the following DOES NOT use gears? iPhone, Car, Train, Clock

Back

iPhone

Front

The larger the radius of a turning wheel, the ______ force it has. (Options: MORE, LESS)

Back

MORE

Front

What is torque?

Back

Torque is the measure of the turning force on an object, such as a gear or wheel.

Front

BIG gears are used for: More turning power (torque) or More rotational speed?

Back

More turning power (torque)

Front

What is the gear ratio of a gear train with a big gear of 48 teeth and a little gear of 12 teeth? (Options: 1:4, 1:3)

Back

1:4

Front

Which of these use gears? Car window, Bicycle, Car, ALL of them

Back

ALL of them

Front

What is a gear ratio?

Back

A gear ratio is the ratio of the number of teeth on two gears that are meshed together.

Front

How do gears help in machines?

Back

Gears help in machines by changing the direction of force and increasing or decreasing speed.

Front

What happens when you use a smaller gear with a larger gear?

Back

The smaller gear will turn faster than the larger gear.