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### There are 6 results

Broad Topics > Mechanics > Centre of mass

### Wobbler

##### Age 16 to 18 Challenge Level:

A cone is glued to a hemisphere. When you place it on a table in what position does it come to rest?

### Pole Vaulting

##### Age 16 to 18 Challenge Level:

Consider the mechanics of pole vaulting

### Uniformly Unstable

##### Age 16 to 18 Challenge Level:

Invent shapes with different numbers of stable and unstable equilibrium points

### Well Balanced

##### Age 5 to 18 Challenge Level:

Exploring balance and centres of mass can be great fun. The resulting structures can seem impossible. Here are some images to encourage you to experiment with non-breakable objects of your own.

### High Jumping

##### Age 14 to 18

How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...

### Overarch 2

##### Age 16 to 18 Challenge Level:

Bricks are 20cm long and 10cm high. How high could an arch be built without mortar on a flat horizontal surface, to overhang by 1 metre? How big an overhang is it possible to make like this?