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30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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There are **3** NRICH Mathematical resources connected to **Angular motion**, you may find related items under Mechanics.

Problem
Primary curriculum
Secondary curriculum
### Whirlyball

Whirl a conker around in a horizontal circle on a piece of string. What is the smallest angular speed with which it can whirl?

Age 16 to 18

Challenge Level

General
Primary curriculum
Secondary curriculum
### Turning the Place Over

As part of Liverpool08 European Capital of Culture there were a huge number of events and displays. One of the art installations was called "Turning the Place Over". Can you find our how it works?

Age 11 to 18

Challenge Level

Article
Primary curriculum
Secondary curriculum
### Eclipses of the Sun

Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.

Age 7 to 14