In one revolution a wheel moves forward a distance equal to its circumference. This is because the wheel Always in contact with the floor.

1)A trundle wheel clicks everytime. What is the radius of the wheel

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To find the radius of the wheel, we need more information. However, we can use the concept that in one revolution, the wheel moves forward a distance equal to its circumference. Let's assume that the trundle wheel has clicked n times in one revolution.

1 revolution = circumference of the wheel
n clicks = circumference of the wheel

To find the radius, we can use the formula for the circumference of a circle:

Circumference = 2 * π * radius

From the given information, we have:

Circumference of the wheel = n clicks

Equating the two formulas:

n clicks = 2 * π * radius

To find the radius, we can rearrange the formula:

radius = (n clicks) / (2 * π)

So, if you know the number of clicks (n), you can divide it by 2π to calculate the radius of the trundle wheel.