In the same way that the timing of a pendulum provided a more rigorous test of Galileo's kinematical theory than could be achieved by direct testing with balls rolling down planes, so with Newton's laws the most searching tests are indirect and based on mathematically derived consequences.
We demonstrated cantilevers having a rolling up beam with 5 20μm length and a rolling down thinner tip with 3μm length.
Now, rolling down the hill with my family, the novelty was that the music was in public, and everyone else could hear.
Specialist Leo Pins added: "Or watch for wires, but when you are rolling down the road with lots of dust, you don't see much.
In its accounting of that article, the team of reporters investigating Mr. Kelley found that an early draft contained a description of three severed heads rolling down the street "with their eyes still blinking".
The mountains, lochs and rivers also provide a perfect setting for all sorts of adventurous activities from abseiling and ice-climbing to kayaking and zorbing, which apparently involves being suspended in a 12ft plastic sphere and rolling down a hill with no brakes or steering.
The one-inch thick nylon rope that held the spool snapped, he said, and the spool, which had reached only the third step, went rolling down the stairs with enough force to destroy the metal banisters, bouncing off a wall and then hitting the women, Mr. Slovak said.
The car started rolling down the hill, with no driver in the car.
After the wheelchair protestors forced the police back off the bridge, with Rosemerry leading the way, she took off like Super Girl, rolling down at full speed with a lilac cape hanging from her neck to hide the hooks and rope needed to hang herself from the bridge.
Tinny loudspeakers broadcast bloc versions of easy classics: the Cornetto tune, Edelweiss, the one about the meatball rolling down a hill, all with soft Czech vocals.
