See how little g and your weight varies around the world. Did this
variation help Bob Beamon to long-jumping succes in 1968?
Invent shapes with different numbers of stable and unstable equilibrium points
A collection of problems related to the mathematics of fundamental physics.
A series of activities to build up intuition on the mathematics of
Whirl a conker around in a horizontal circle on a piece of string.
What is the smallest angular speed with which it can whirl?
Which parts of these framework bridges are in tension and which parts are in compression?
Gravity on the Moon is about 1/6th that on the Earth. A
pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth.
How high a pole could he clear on the Moon?
How high will a ball taking a million seconds to fall travel?
In this short problem we investigate the tensions and compressions
in a framework made from springs and ropes.