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Direct action pumps and suction pumps are among the simplest water pumps.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
Learn how to pierce a balloon without popping it.
How does a piece of a cork behave on the surface of a glass of water? You can examine that in...
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Can we break a stick with the weight of only a few sheets of paper?
Can a candle be re-lit if the flame of the match does not even touch it?
Is it possible to turn pure water into a soft drink in a few seconds?